Form Questions:

1/ I went to london last year.
When.............?
Answer: when did go I to london?

2/ She bought a new car.
What.............?
Answer: what did she buy?

3/ he visited his uncle .
Who.............. ?
Answer: who did he visit?

4/ I did my homework an hour ago.
When...............?
Answer: when did I do your homework?
Please : the answers true or false

Shouldn't the pronoun in 1 and 4 be "you?"

3. Whom did he visit/

The answers provided are false. Here are the correct answers with explanations:

1/ I went to London last year.
Question: When did I go to London?
Explanation: To form a question, start with the verb (did) and the subject (I), and then add an auxiliary verb (go) after the subject.

2/ She bought a new car.
Question: What did she buy?
Explanation: To form a question, start with the auxiliary verb (did) and the subject (she), and then add the main verb (buy) after the subject.

3/ He visited his uncle.
Question: Who did he visit?
Explanation: To form a question, start with the auxiliary verb (did) and the subject (he), and then add the main verb (visit) after the subject.

4/ I did my homework an hour ago.
Question: When did I do my homework?
Explanation: To form a question, start with the auxiliary verb (did) and the subject (I), and then add the main verb (do) after the subject. Finally, include the object (my homework) after the verb.