The rule, as people use it

These four helpers sit before a base verb, with no "to" and no -s: "She will call", not "She wills call" or "She will to call". That's the one grammar point they all share. What changes is the job each one does.

"Will", usually shortened to 'll, is for the future when you decide on the spot, promise or predict: "I'll have the chicken." "I'll be there at eight." "It'll probably rain." Its negative is "won't".

"Would", shortened to 'd, is the polite, softer, one-step-back version. It's how you ask nicely ("Would you mind closing the door?"), order nicely ("I'd like a coffee"), and talk about imagined situations ("I'd love to live by the sea"). Learners often say "I want a coffee" in a café. It's clear, but "I'd like a coffee" is what staff expect to hear.

"Should" is for advice and for what's expected: "You should see a doctor." "The package should arrive tomorrow." It's gentler than "must".

"Shall" is rare in American English. You'll hear it mostly in one place, offers and suggestions with I or we: "Shall I open the window?" "Shall we go?" In everyday American speech, "Should I...?" and "Do you want me to...?" are more common.

Examples

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Fill the gap

Type the missing words, then check. The full sentence plays when you get it.

  1. 1

    The doorbell's ringing. (I will) get it.

  2. 2

    (I would / like) a glass of water, please.

  3. 3

    You look sick. You (should / go) home.

  4. 4

    (would / you) mind helping me with this?

  5. 5

    Don't worry, I (will / not) forget your birthday this year.

  6. 6

    It's late. (shall / we) get a taxi?

  7. 7

    Li Na (should) arrive around noon.

  8. 8

    If I had more money, I (would / buy) a bike.

Practice · 3 min

Write two sentences for each helper. With "will": a promise and a prediction. With "would": a polite request and something you'd love to do one day. With "should": advice for a friend and something you expect to happen. With "shall": one offer and one suggestion. Say all eight out loud, using 'll and 'd where you can, and check that none of them has "to" after the helper.

Say it today

Use it once in a real conversation before tomorrow. Out loud counts, even to yourself.