some examples with the times

past present

had + past participle


Examples:

You had studied English before you moved to New York.
Had you studied English before you moved to New York?
You had not studied English before you moved to



Present Perfect

[has/have + past participle]

Examples:

You have seen that movie many times.
Have you seen that movie many times?
You have not seen that movie many


Simple Present

[VERB] + s/es in third person

Examples:

You speak English.
Do you speak English?
You do not speak English.



Simple Past

[VERB+ed] or irregular verbs

Examples:

You called Debbie.
Did you call Debbie?
You did not call Debbie.