[The present perfect and the past perfect] Past perfect

相同意思

Sam had left before Ann got there.

Sam left before Ann got there.

可能不同意思

Sam had left when Ann got there.

Sam left when Ann got there.

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6. Jack offered to introduce me to Professor Newton, but it wasn't necessary. I had already met him.

7.

A: Do you want to go to the movie tonight?

B: What are you going to see?

A: Distant Drums.

B: I have already seen it. Thanks anyway.

Page 116

Past progressive vs. past perfect.

(B) We drove two hundred miles to see the circus in Kansas City. When we got there, we couldn't find the circus. It _____ town. We _____ all the way to Kansas City for nothing.

A. was leaving ... were driving

B. had left ... had driven

C. was leaving ... had driven

D. had left ... were driving

Page 117

Rita called me on the phone to tell me the good news. She had passed her final exam in English. (從過去到現在都一直有通過，不是只有過去通過，現在沒通過)

Otto's back to work today, but was in the hospital last week. he had never been a patient in a hospital before. It was a new experience for him. (從未當過病人的經歷)

Page 118

(B) Kate reached to the floor and picked up her glasses. They were broken. She _____ on them.

A. stepped B. had stepped C. was stepping D. has stepped

(A) Now listen carefully, When Aunt Martha _____ tomorrow, give her a big hug.

A. arrives B. will arrive C. arrived D. is going to arrive

簡單未來式

如果只有 When Aunt Martha _____ tomorrow. (A) 和 (B) 都可以選，但是後面有 give her a big hug.(, 後面接不完整的句子)