A) Subject + have + past participle
B) Subject + has + past participle
C) Subject + had + past participle
D) Subject + had + past simple

A) Subject + have not /haven’t + base verb
B) Subject + has not/hasn’t + past participle
C) Subject + had not/hadn’t + past participle
D) Subject + had not/hadn’t + past simple

A) Have + subject + past simple
B) Has + subject + past participle
C) Subject + had + past participle
D) Had + subject + past participle

A) has cooked
B) cooking
C) cooked
D) had cooked

A) has lost
B) lost
C) had lost
D) had loose

A) A habit in the past.
B) Continuous action in the future.
C) An action that began and ended in the past before another action.
D) An action in the past without connection to another.

A) She had ever been to London before moving there?
B) Had she ever been to London before moving there?
C) Has she ever been to London before moving there?
D) Did she had ever been to London before moving there?

A) By the time we arrived, the show had started.
B) I had never seen such a big dog before.
C) He had went to the store before I called him.
D) She had finished her homework before dinner.

A) working
B) has worked
C) had worked
D) worked

A) had done
B) have done
C) did
D) doing