✔ 最佳答案
Basically, there are:
Present tense
Simple present tense - I go to school
Present continuous tense - I am going to school now.
Present perfect tense - I have gone to school.
Past tense
Simple past tense - I met Mary yesterday.
Past continuous tense - I met Mary when I was going to movie.
Past perfect tense - I had met Mary before you came.
Future tense
Simple future tense - I shall go to movie tomorrow.
future continuous tense - I shall be going to movie at 3pm tomorrow.
future perfect tense - I shall have gone to movie with you .
The said sentences are active voice.
Then , we have passive voice based on the above - see examples below
Present tense - I eat an apple ( Passive- An apple is eaten by me)
I am eating an apple ( An apple is being eaten by me)
I have eaten an apple ( An apple has been eaten by me)
Past tense - I ate an apple ( An apple was eaten by me)
I was eating an apple ( An applie was being eaten by me)
I had eaten an apple ( An apple had been eaten by me)
Future tense - I shalll eat an apple ( an apple shall be eaten by me)
etc......