未來式: 8 Future Tense Rules Taiwan Pros Master (2026) | will going to 完整指南

The 未來式 (future tense) trips up more Taiwan professionals than any other grammar point, because Chinese expresses future with context words like 明天 and 下個月 rather than verb changes. English forces a choice: will, be going to, present continuous, future continuous, or future perfect — and pick the wrong one in a sales email and you sound like you booked the meeting on a coin flip. This guide breaks down all five forms with the workplace examples Taiwan pros actually need.

未來式四種主要形式 (The Four Main Future Tense Forms)

English doesn’t have a dedicated future verb form the way it has past tense endings (-ed). Instead, it stacks auxiliary verbs and time markers onto present-tense structures. The five workhorse patterns Taiwan professionals need to control are: will + base verb, be going to + base verb, present continuous, future continuous (will be + V-ing), ， 和 future perfect (will have + past participle).

Here is the quick reference Cambridge Dictionary lays out in its grammar bank — each form maps to a slightly different speaker intent, not a different time:

• will — spontaneous decision, prediction, promise, offer (臨時決定/預測)
• be going to — pre-existing plan or visible evidence (已決定的計畫)
• present continuous — fixed arrangement with another person (已安排的約定)
• future continuous — ongoing action at a future moment (未來進行中)
• future perfect — completed by a future deadline (未來某時點前完成)

The order matters: 90% of workplace future-tense errors are not “wrong tense” — they are “wrong form of future tense.” The fix is matching intent to form.

Will 用法: Spontaneous Decisions and Predictions (臨時決定 + 預測)

Use will + base verb when you decide to do something at the moment of speaking, when you predict a future event without strong evidence, or when you make a promise or offer. The classic test: if you can insert “OK, in that case…” before the sentence, will is correct.

Workplace examples that show will doing its job:

• Spontaneous offer: “The printer is jammed again.” → “I’ll fix it.”
• Prediction (no evidence): “I think Q3 numbers will come in flat.”
• Promise: “I’ll send the contract by 5pm.”
• Refusal: “The client won’t sign without a discount.”

The contraction ‘ll is standard in spoken and even semi-formal written English. Writing “I will send the contract” instead of “I’ll send the contract” in a casual Slack reply reads as oddly stiff to a native speaker.

Be Going To 用法: Pre-existing Plans and Visible Evidence (已決定的計畫)

Use be going to + base verb when the decision was already made before the moment of speaking, or when present evidence points clearly at the future event. This is the tense Taiwan pros most often skip when they should use it, defaulting to will for everything.

The two trigger conditions:

1. Plan already on the calendar. “We’re going to launch the new SKU in October.” (The launch date was decided weeks ago.) Not “We’ll launch” — that would suggest you just thought of it.

2. Evidence-based prediction. “Look at those clouds — it’s going to rain.” (Evidence visible right now.) Not “It will rain” — that’s a guess from nowhere.

The British Council’s LearnEnglish grammar reference frames it bluntly: will is for the moment, going to is for what’s already decided or already visible. If a Taiwan manager asks “What’s the plan for next quarter?” and you reply “We will hire two engineers,” it sounds tentative. “We’re going to hire two engineers” sounds like a confirmed plan — which is what the manager wants to hear.

Will vs Going To 差別: The 30-Second Decision Tree

This is the single most-asked question about English future tense, and the answer comes down to when the decision was made. If the decision happens at the moment of speaking, use will. If the decision was made before, use going to. Same actual future event — different speaker history.

Watch this side-by-side scenario:

Phone rings. Colleague: “Can someone pick up the client at the airport?” You (volunteering on the spot): “I’ll do it.” ✅ correct — decision made right now.

Manager at Monday standup: “Who is handling the client pickup Thursday?” You (already arranged it): “I’m going to do it.” ✅ correct — decision made before the meeting.

Using the wrong one isn’t a grammar error in the strict sense — both are technically valid English sentences — but it sends the wrong social signal. Saying “I will do it” in the Monday standup makes it sound like you just volunteered, undermining the work you already put into arranging it. Here is the YouTube explainer that ranks #1 on Google for this comparison — Teresa lays out the timing logic in two minutes:

什麼時候用現在式代替未來式 (Present Continuous as Future)

Use present continuous (am/is/are + V-ing) for fixed future arrangements that involve another person, a venue, or a ticket — anything that would be awkward to cancel. This is the form you should be using for meetings, flights, dinners, and appointments. It is also the form Taiwan professionals most under-use, even when they know it exists.

Compare these three sentences about the same future event:

• “I will meet the supplier on Friday.” → sounds like you just decided
• “I’m going to meet the supplier on Friday.” → planned, but flexible
• “I’m meeting the supplier on Friday.” → confirmed, on the calendar, hotel booked

The third version signals: this is locked in, don’t try to schedule something else over it. That is exactly what you want a manager or client to understand. The same logic applies to “I’m flying to Tokyo Tuesday” (ticket purchased) versus “I’ll fly to Tokyo Tuesday” (you’re thinking out loud).

未來進行式: Future Continuous for Ongoing Future Actions (Will Be V-ing)

Use will be + V-ing to describe an action that will be in progress at a specific future moment, or to politely ask about someone’s future plans without sounding pushy. The 未來進行式 is the diplomatic future tense — useful for emails where you don’t want to seem demanding.

Two main workplace uses:

Action in progress at a future moment: “At 3pm tomorrow, I’ll be presenting to the board, so I can’t take your call.” This tells the listener exactly when not to interrupt, and frames the action as already in motion.

Polite inquiry about plans: “Will you be attending the Friday workshop?” lands softer than “Will you attend the Friday workshop?” The first assumes the listener already has a plan and is asking for confirmation; the second sounds like a demand for a yes/no commitment. In Taiwan business culture where polite distance matters, the future continuous is the safer ask.

未來完成式: Future Perfect for Deadlines (Will Have + Past Participle)

Use will have + past participle to describe an action that will be completed before a specific future point. The 未來完成式 is built for deadlines and milestone projections — invoices paid by month-end, training completed by Q4, hires onboarded before the product launch.

Workplace examples that earn their keep:

• “By December 31, we will have shipped 50,000 units.”
• “By the time you arrive Monday, the team will have finalized the deck.”
• “She will have worked here for ten years next March.” (anniversary milestone)
• “The Q3 report will have been published by the time the board meets.” (passive form)

The future perfect almost always pairs with a by + time marker. If you can rewrite the sentence with “by [date/event],” the future perfect probably fits. Most Taiwan professionals avoid this form because it feels formal — but in finance, legal, and project management emails, it’s the right register.

未來式怎麼寫: Quick Reference Cheat Sheet

This is the answer to the Google “People Also Ask” question that gets the most clicks: how do you write future tense? Here is the form-by-form summary, with affirmative, negative, and question structures:

Simple Future (Will): S + will + base verb / S + won’t + base verb / Will + S + base verb?
Example: “She will sign the contract.” / “She won’t sign the contract.” / “Will she sign the contract?”

Be Going To: S + am/is/are + going to + base verb
Example: “We are going to launch in October.” / “Are we going to launch in October?”

Present Continuous (future use): S + am/is/are + V-ing + future time marker
Example: “I’m flying to Tokyo Tuesday.” / “Are you flying to Tokyo Tuesday?”

Future Continuous: S + will be + V-ing
Example: “He will be presenting at 3pm.” / “Will you be presenting at 3pm?”

Future Perfect: S + will have + past participle
Example: “We will have shipped 50,000 units by December.” / “Will we have shipped 50,000 units by December?”

Print this section and tape it to your monitor for the first two weeks. After that, the pattern becomes muscle memory.

Common Future Tense Mistakes Taiwan Pros Make at Work

Three error patterns repeat across thousands of Taiwan workplace emails, and each one has a fast fix. Catch these in your own writing and your future-tense accuracy will jump immediately.

Mistake 1: Using “will” after “when” or “if”.
Wrong: “I will call you when I will arrive.”
Right: “I will call you when I arrive.”
In time clauses introduced by when, after, before, until, as soon as, and conditional if, English uses present tense — never will. This is one of the most consistent errors across Taiwan ESL learners.

Mistake 2: “Will” for already-planned events.
Wrong: “I will go to Japan next week.” (you already booked the ticket)
Right: “I’m going to Japan next week.” or “I’m flying to Japan next week.”
使用 will for confirmed plans makes you sound less committed than you actually are.

Mistake 3: Forgetting “be” in “be going to”.
Wrong: “He going to sign tomorrow.”
Right: “He is going to sign tomorrow.” or “He’s going to sign tomorrow.”
The auxiliary is/am/are is mandatory. Drop it and the sentence becomes ungrammatical — even though Chinese-speaking ears often don’t register the missing piece.

未來式練習題: Quick Self-Test

Choose the best future tense for each scenario. Answers below.

1. Your boss asks if anyone is free Saturday. You decide right then to help. → “_____ help on Saturday.”
2. You bought a flight to Bangkok next month. → “I _____ to Bangkok next month.”
3. You predict the rain will stop based on clearing clouds. → “It _____ stop raining soon.”
4. You’re describing your status at 2pm Friday during a long client meeting. → “At 2pm Friday, I _____ with the Singapore team.”
5. You’re projecting that the team will finish migration before the holiday. → “We _____ the migration before December 25.”

Answers: (1) I’ll — spontaneous decision. (2) I’m flying — fixed arrangement, ticket bought. (3) is going to — evidence-based prediction. (4) will be meeting — action in progress at future moment. (5) will have completed — deadline-based completion.

If you scored 4 or 5 out of 5, your future tense control is workplace-ready. If you missed 2 or more, re-read the section matching your error pattern — that is your single biggest grammar fix this week.

Where Future Tense Fits in the Larger English Grammar Picture

Future tense is one node in a connected system. Once you control it, the next wins are the modal verbs (助動詞) that share structure with will — would, could, should, might — and the present perfect tense (現在完成式), which pairs with future perfect through the same “have + past participle” engine. If you want the full map of all 12 English tenses in one place, the complete tenses guide shows how they all fit together.

Pick one of the five future forms each week, find three real workplace situations where it applies, and write three sentences. That spaced repetition — not memorizing rule lists — is what moves the grammar from your conscious brain to your typing fingers.

來源

1. Cambridge Dictionary — Future Tense Forms — Authoritative reference for all five future patterns and their nuances.
2. British Council LearnEnglish — Talking About the Future — Practical workplace examples for will, going to, and present continuous.
3. Purdue OWL — Verb Tenses Overview — Academic-grade grammar reference covering future continuous and future perfect.
4. BBC Learning English — Future Forms — Audio examples for spoken future tense usage in business contexts.