He always eat with his mouth open, it's so unpleasant.
eat--> eats
I _______(be) in English class right now.
am
Change to Present Perfect:
He ate dinner.
He has eaten dinner.
Present Perfect
has/have + V3
Jill______ (phone) Dad before she_____ (leave) for her trip.
Jill had phoned dad before she left for her trip.
After Fred had spent his holiday in Korea, he wants to learn Korean.
wants--> wanted
By last June, I ______ (know) her for one year.
had known
Change to present Perfect Continuous:
It rained a lot this week. It is still raining now.
It has been raining a lot this week.
Past perfect
had+ V3
When she _____ (arrive), the game ________ (already/start).
When she arrived, the game had already started.
By the time I finally left the coffee house, I drank three cups of coffee and I had been waiting for you over an hour.
drank --> had drunk
He was very upset because he _______ (wait) for more than half an hour.
had been waiting
Change to present Perfect Continuous tense:
I was playing on the computer at 3:00. I am still playing on the computer now. (7:00)
I have been playing on the computer for four hours.
Present Perfect Continuous
has/have been + Ving
He was very upset because he ______________ (wait) for more than half an hour.
He was very upset because he had been waiting for more than half an hour.
It _______ (snow) a lot this week.
has been snowing
Change to Past Perfect:
They rode their bikes for two hours.
They had ridden their bikes for two hours.
Past Perfect Continuous
had been + Ving
I ______ (try) to get the tickets for that movie for months, and I didn't want to miss it.
I had been trying to get the tickets for that movie for months, and I didn't want to miss it.
By 9:00 pm yesterday, I had went home.
went-->gone
She ______ (not watch) TV yet.
hasn't watched
Change to Present Perfect:
My homework is not finished.
I haven't finished my homework.
Past Simple
V2 /Ved
I______ (call) you for 2 hours.
I have been calling you for two hours.