湘潭mba輔導班

MBA英語語法輔導：動詞不定式

　　(2)時態(tài)

　　1) 現(xiàn)在時：一般現(xiàn)在時表示的動詞，有時與謂語動詞表示的動作同時發(fā)生，有時發(fā)生在謂語動詞的動作之后。

　　He seems to know this.

　　I hope to see you again. = I hope that I'll see you again.　我希望再見到你。

　　2) 完成時：表示的動作發(fā)生在謂語動詞表示的動作之前。

　　I'm sorry to have given you so much trouble.

　　He seems to have caught a cold.

　　3) 進行時：表示動作正在進行，與謂語動詞表示的動作同時發(fā)生。

　　He seems to be eating something.

　　4) 完成進行時：

　　She is known to have been wreaking on the problem for many years.

　　一般在情緒后加to do to do 也表將來

　　編輯本段疑問詞 不定式結(jié)構(gòu)疑問詞who,what,which,when,where,whether,how后可接不定式構(gòu)成不定式短語，在句中作主語、賓語、表 語等。如：

　?、賅hen to leave for London has not been decided yet. (不定式在句子中做主語)

　?、贛r. Smith didn't know whether to leave or stay there. (不定式在句子中做賓語)

　　③I asked Professor Xu how to learn English well. (不定式在句子中做直接賓語)

　?、躎he question was where to get the medicine needed. (不定式在句子中表語)