Present perfect simple

he has ______ my dentist since I was seven years old.

• been

• was

• were

• to been

I have ___________ by train once

• to travel

• to traveled

• traveled

• travel

she ______ just made her bed

• to hasn't

• to has

• have

• has

she hasn't _________ the homework yet

• finished

• to finished

• finish

have you done your homework _________?

• yet

• never

• ever

the adverb "never" is used in affirmative sentences

• true

• false

when do we use the present perfect simple?

• routines

• future

• unfinished actions

the adverb "yet" is used at the end of the sentence

• true

• false

do we use the present perfect simple to talk about experiences ?

• false

• true

what is the affirmative structure of sentences in the present perfect simple?

• s+have or has+verb in past participle

• s+have or has+verb in past

• s+have or has+verb infinitive

• s+haven't or hasn't +verb in past participle