Present simple
Habits, facts, and how things usually are. To say no or ask, add do or does: I don't let back in, he doesn't let back in.
- I / you / we / they let back in
- he / she / it lets back in
laisser quelqu'un rentrer
Irregular verb, phrasal verb.
Phrasal verb: back in
Only let changes; back in stays the same: let back in, let back in.
Object in the middle
The object can go before back in, as the card writes it: let someone back in. A pronoun always does: let them back in.
In speech, the helping verbs shorten: I’m, he’s, we’re, I’ve, I’ll, I’d.
Enough to talk about now, the past, and your plans, and to give instructions.
Habits, facts, and how things usually are. To say no or ask, add do or does: I don't let back in, he doesn't let back in.
What is happening now, and plans already arranged: we’re leaving tomorrow.
A finished action at a past time: yesterday, in 2020. To say no or ask, add did: I didn't let back in.
Plans and intentions, and what you can see coming: it’s going to rain.
Orders, advice, and instructions. Let’s suggests doing it together. To say no: don't let back in.