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

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

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

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

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

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

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

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

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

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