Present "to be"
My house (is/are) big.
My house is big.
I (like/likes) food.
I like food.
I (was/were) his friend.
Past tense of "be" (am/is):
Was/were
(Are/is) you ready?
Are you ready?
She (live/lives) near the coast.
She lives near the coast.
They (was not / were not) friends.
They were not friends.
Past tense of "go"
Went
She ____ (be) your friend.
She is your friend.
I ___ (don't/doesn't) like water.
I don't like water.
(Was/were) she your classmate?
Was she your friend?
Past tense of "come"
Came
They ___ (be) John's colleagues from work.
They are John's colleagues from work.
We ___ (play/plays) football together.
We play football together.
She (was/were) my friend during high school.
She was my friend during high school.
Past tense of "do"
I ___ (be) Mark's friend, who ___ (be) you?
I am Mark's friend, who are you?
Do they ___ (like/likes) football?
Do they like football?
(Was/were) you at the party?
Were you at the party?
Past tense of "walk"
Walked