來源:網(wǎng)絡資源 作者:中考網(wǎng)整理 2019-05-11 19:06:20
一、被動語態(tài)用于以下幾種情況
1. 不知道或沒有必要指出動作的執(zhí)行者。如:
Many new buildings are built in our city.
2. 強調動作的承受者。如:
The wounded man has been sent to a hospital.
3. 動作執(zhí)行者有比較長的修飾語。如:
The person was supported by those who wished to have a chance to make friends with him.
4. 出于禮貌,不愿說出動作的執(zhí)行者。如:
You are requested to attend the party.
二、過去分詞作表語與被動語態(tài)的區(qū)別
1. 系表結構中的過去分詞是表示主語的特征或狀態(tài);而被動結構則是表示主語是動作的承受者。試比較:
Our building is surrounded with the trees.(系表)
The film is usually showed on Sunday.(被動)
2. 系表結構不能帶有by引導的短語;而被動結構中可以用by引導的短語引出動作的執(zhí)行者。試比較:
The book is well written. (系表)
The book was written by Lu Xun.(被動)
三、使用被動語態(tài)應注意的幾點
1. 帶雙賓語的主動結構的句子,變?yōu)楸粍诱Z態(tài)結構時,只能將其中的一個賓語變?yōu)橹髡Z,另一個賓語仍要保留。如果保留的是間接賓語,要在間接賓語之前加上介詞to或for.如:
We are taught English by her.或English is taught to us by her.
2. 主動語態(tài)中的不帶to的動詞不定式作賓補變?yōu)楸粍诱Z態(tài)時,要加上不定式符號to.如:
The boss made him work over twelve hours a day.
He was made to work over twelve hours a day.
3. 短語動詞用于被動語態(tài)應作為一個整體,不能丟掉其中的介詞或副詞。如:
The meeting has been put off.
4. 有些及物動詞和及物動詞短語(多表示“靜態(tài)”)不能用于被動語態(tài),常見的有have, cost, lack, last, own, hold, fit, agree with等。
5. 有些不及物動詞以主動形式表示被動意義,常見的有cut, wash, write, sell等。如:
The shirt washes well.
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