Future Simple: Complete Guide with Examples and Free Exercises
Learn when to use 'will' for the future, how to form Future Simple, and how it differs from 'going to' — with 5 exercises right on this page.
Quick reference
- Positive
- Subject + will + V1 (base verb)
- Negative
- Subject + will + not + V1
- Question
- Will + subject + V1?
- Auxiliaries
- will (for all subjects: I, you, he, she, it, we, they)
- “I will call you tomorrow.”
- “She won't be late.”
- “Will they join the meeting?”
When to use Future Simple
Spontaneous decisions made at the moment of speaking
“The phone is ringing — I'll get it.”
When you decide something right now, while you are talking, Future Simple is the natural choice. The decision did not exist a second before. This is one of the clearest signals to pick 'will' over 'going to', which we use for plans you already had in mind.
Promises, offers, and willingness
“Don't worry, I will help you with the report.”
Future Simple is the standard tense for promising to do something or offering help. The word 'will' carries a sense of willingness, which is why it works so well in commitments. You will see it constantly in customer service, business emails, and everyday small talk.
Predictions based on opinion or belief
“I think prices will go up next year.”
When you predict something because you think, believe, or expect it — without pointing to evidence in front of you — Future Simple fits perfectly. Common signal phrases are 'I think', 'I believe', 'I expect', 'probably', and 'maybe'. If you have visible evidence right now, switch to 'going to'.
Future facts and certainties you cannot control
“The sun will rise at 6:14 tomorrow.”
For things that are simply true about the future — schedules of nature, age, calendar facts — Future Simple is the safe default. These are not personal plans, so 'going to' would feel odd. 'I will be 30 next month' is a fact, not a decision.
Requests and asking for help
“Will you send me the link, please?”
Questions starting with 'Will you...?' are a polite, common way to ask someone to do something. They are softer than imperatives like 'Send me the link.' This use is everywhere in work chats, customer support, and friendly conversation.
Future Simple forms
Positive
Subject + will + V1
- “I will book the tickets tonight.”
- “He will finish the project by Friday.”
- “We will try the new ramen place.”
Negative
Subject + will + not + V1
- “I will not share my password.”
- “She won't be at the standup tomorrow.”
- “They won't accept that offer.”
Contractions: will not → won'tI will → I'llyou will → you'llhe will → he'llthey will → they'll
Question
Will + subject + V1?
- “Will you join the call?”
- “Will it rain tomorrow?”
- “Will they ship it on Monday?”
Short answers: “Yes, I will. / No, I won't.”“Yes, she will. / No, she won't.”“Yes, they will. / No, they won't.”
Future Simple time markers
| Marker | Example |
|---|---|
| tomorrow | “I will text you tomorrow.” |
| next week / month / year | “We will launch the app next month.” |
| in 2030 | “Most cars will be electric in 2030.” |
| soon | “Dinner will be ready soon.” |
| later | “I'll reply later — I'm in a meeting.” |
| tonight | “She will call you tonight.” |
| probably / maybe / I think | “I think it will work.” |
Common mistakes with Future Simple
✗I will to call you tomorrow.
✓I will call you tomorrow.
After 'will', use the bare base verb without 'to'. 'Will' is a modal verb, and modals never take 'to' before the next verb. This is one of the most frequent learner errors at A2.
✗She wills come later.
✓She will come later.
'Will' never takes an -s in the third person singular. Modal verbs have one form for every subject, so 'he will', 'she will', and 'it will' look exactly the same as 'I will'.
✗Look at those clouds — it will rain.
✓Look at those clouds — it's going to rain.
When you have visible evidence in front of you right now, English prefers 'going to' for the prediction. Use Future Simple when the prediction is based on opinion or belief, not on something you can see.
✗I will buy a new laptop next month — I already chose the model.
✓I'm going to buy a new laptop next month — I already chose the model.
If the plan was made before the moment of speaking, 'going to' fits better. Future Simple sounds like a spontaneous decision, which contradicts the fact that you already chose the model.
✗When I will arrive, I will call you.
✓When I arrive, I will call you.
After time conjunctions like 'when', 'as soon as', 'before', 'after', and 'until', English uses Present Simple, not Future Simple — even though the meaning is clearly future.
Future Simple vs Going To
Future Simple ('will') and 'going to' both talk about the future, but they answer slightly different questions. Use Future Simple for spontaneous decisions made right now, for promises and offers, and for predictions based on your opinion. Use 'going to' for plans you already made before the conversation, and for predictions based on visible evidence in front of you. A simple test: if the plan existed five minutes ago, choose 'going to'; if the idea is brand new, choose 'will'. Native speakers often blend the two, but at A2 level keeping this rule clean will make your English sound much more natural and confident.
| Context | Use | Example |
|---|---|---|
| Spontaneous decision (just decided) | Future Simple | “I'll have the pasta, please.” |
| Plan made before speaking | Going To | “I'm going to start a course next week.” |
| Prediction based on opinion | Future Simple | “I think our team will win.” |
| Prediction based on evidence | Going To | “Look — the bus is going to leave without us!” |
| Promises and offers | Future Simple | “I'll send you the file in five minutes.” |
Future Simple exercises
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Exercise 1 of 5
Don't worry about the dishes — I ___ wash them.
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Practice Future Simple →Future Simple FAQ
What is the Future Simple tense in English?
Future Simple is the tense we use to talk about actions that will happen after now. It is formed with the modal verb 'will' plus the base form of the main verb, for example 'I will call you'. It is most often used for spontaneous decisions, promises, offers, and predictions based on opinion.
How do I form the Future Simple?
The structure is Subject + will + base verb, for example 'They will arrive soon'. The negative is formed with 'will not', usually contracted to 'won't', as in 'I won't be late'. Questions invert the subject and 'will': 'Will you come?' The form is the same for every subject — there is no -s in the third person.
What is the difference between Future Simple and 'going to'?
Use Future Simple ('will') for decisions made at the moment of speaking, promises, and predictions based on opinion. Use 'going to' for plans you already had before the conversation and for predictions based on evidence you can see right now. A quick test: if the plan is brand new, choose 'will'; if it existed earlier, choose 'going to'.
When do I use 'will' and when do I use the contraction 'll?
In speech and informal writing, native speakers almost always use the contractions 'll (I'll, you'll, she'll) and won't. The full forms 'will' and 'will not' are kept for formal writing, emphasis, or when you want to sound very clear and definite. Both are grammatically correct.
Can I use Future Simple after 'when' or 'if'?
No — this is a classic mistake. After time words like 'when', 'as soon as', 'before', 'after', and 'until', and after 'if' in first conditional sentences, English uses Present Simple even though the meaning is future. Say 'When I get home, I will call you', not 'When I will get home'.