Các dạng của động từ
Dạng nguyên
/let/
Past Simple
/let/
Past Participle
/let/
Câu ví dụ
Dạng nguyên · let
- My parents let me stay up late on weekends.
Past Simple · let
- She let the cat out before going to bed.
- She let without any hesitation.
- They let it again the following morning.
- He didn't let anything at the meeting.
Past Participle · let
- He has let his garden grow wild this year.
- I have already let it more than once.
- She has just let the very same thing.
- By the time we arrived, they had let everything.
Cụm từ thường gặp
let go
to release your hold on something
let down
to disappoint someone
Thì chính
| Hiện tại đơn | Quá khứ đơn | Hiện tại hoàn thành |
|---|---|---|
I let he / she / it lets | I let | I have let |
| Hiện tại tiếp diễn:I am letting · he / she / it is letting | ||
Hướng dẫn ngữ pháp
The verb "let" belongs to the AAA group — all three principal parts are identical: "let" / "let" / "let". The spelling never changes, whether you use it in the present tense, past simple, or as a past participle in a perfect or passive construction.
Use "let" in the present to describe habits, facts, or scheduled events: "We let the figures every quarter." The same form serves as the past simple for completed actions: "They let the budget before noon." With auxiliary verbs it functions as the past participle: "She has already let her quota." Because all three forms look the same, an auxiliary (have, has, had) or a past-time marker (yesterday, last year) provides the tense signal.
AAA verbs are mostly short, high-frequency words ending in -t or -d, such as cost, cut, hit, hurt, let, put, set, and spread. Because they never inflect, you only need to learn one spelling. The difficulty is that context — an auxiliary verb, a time adverb, or the surrounding narrative — must indicate which tense is intended.
Quick-reference rule: when "let" follows have, has, or had, it is acting as a past participle ("she has let the price twice"); when it follows did not or appears in a question with did, it is the infinitive in a past-tense structure ("did they let it correctly?"); in all other uses it is most likely present simple or a base-form infinitive.
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Cả ba dạng giống hệt nhau — không cần nhớ gì ngoài dạng nguyên thể.