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152 輕鬆學基礎英文法
2 將過去式改成過去完成式。
句型 主詞 + had + 過去分詞
例 • He left Taiwan. 他離開台灣。 He had left Taiwan. 他已經離開台灣了。
• We went home. 我們回家。 We had gone home. 我們已經回家了。
練 習 2 將下列句子改為完成式
1. Leo left by the time we arrived.
2. Mark came back from Taipei.
3. She was a teacher. (ten years)
4. We ate breakfast.
5. Monica bought a car yesterday.
6. I changed my mind.
7. It rained. (two days)
8. My father went to Japan last night.
9. Monica went back to Paul's home.
10. Mary wrote a song.
生字欄
by the time = when (conj.) 當…… mind [ m1nd ] (n.) 心意
change [ 7enG ] (vt./vi.) 改變
3 過去完成式的否定。
句型 主詞 + had + not + 過去分詞
例 • He had not come back yesterday. 他昨天還沒回來。
注 意 had not 可寫成 hadn't。
練 習 3 將下列句子改為否定句
1. Grace had left when we arrived.
2. My mother had gone to Tokyo.