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

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

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

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

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

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

A) Had she ever been to London before moving there?
B) Has 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) By the time we arrived, the show had started.
B) She had finished her homework before dinner.
C) I had never seen such a big dog before.
D) He had went to the store before I called him.

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

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