He always eat with his mouth open, it's so disgusting.
eat--> eats
I am in English class right now.
present simple
Change to present perfect:
He ate dinner.
He has eaten dinner.
Present Perfect
has/have + past participle
Jill______ (phone) Dad at work before she_____ (leave) for her trip. (past perfect)
Jill had phoned dad at work before she left for her trip.
After Fred has spent his holiday in Korea, he wants to learn Korean.
wants--> wanted
By June, I will have known her for one year.
Future Perfect
Change to present perfect continuous:
It rained a lot this week. It is still raining now.
It has been raining a lot this week.
had+ past participle
When she _____ (arrive) the game already ____________ (start). (past perfect)
When she arrived the game already had started.
By the time I finally left the coffee house where we were supposed to meet, I drank three cups of coffee and I had been waiting over an hour.
drank --> had drank
He was very upset because he had been waiting for more than half an hour.
was- past simple
had been waiting- past perfect continuous
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 + verbing
He was very upset because he ______________ (wait) for more than half an hour. (past perfect continuous)
He was very upset because he had been waiting for more than half an hour.
It has been snowing a lot this week.
Present Perfect Continuous
Change to past perfect:
They rode their bikes for two hours.
Past Perfect Continuous
had been + verbing
I ______ (try) to get the tickets for that movie for months, and I didn't want to miss it. (past perfect continuous)
By 9:00 PM, I will have went home.
went-->gone
She hasn't watched any TV yet.
Present Perfect
Change to present perfect:
My homework is not finished.
I have not finished my homework.
Future Perfect
will have + past participle
I______ (call) you for 2 hours. (present perfect continuous)
I have been calling you for two hours.