You can tell the time with перевед предложения

You can tell the time. — Вы можете сказать время.

The sentence is in Present Indefinite. There is a modal verb in the sentence. Can is a modal verb.

We don\'t add suffixes to modal verbs. We don\'t use to before modal verbs and we don\'t use to after them. We form negative and interrogative with the help of modal verbs.

You can\'t tell the time. (Negative).

Can you tell the time? (Interrogative).

The past tense of can is could.

You could tell the time. (Past Indefinite).

You will be able to tell the time. (Future Indefinite).