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

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

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

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

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

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

A) She had ever been to London before moving there?
B) Has she ever been to London before moving there?
C) Did she had 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) He had went to the store before I called him.
C) By the time we arrived, the show had started.
D) She had finished her homework before dinner.

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

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