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

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

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

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

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

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

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

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

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

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