高中英語(yǔ)賓語(yǔ)從句語(yǔ)法要點(diǎn)
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一、高中賓語(yǔ)從句要點(diǎn)之時(shí)態(tài)的'呼應(yīng)
1. 如果主句是一般現(xiàn)在時(shí)、一般將來(lái)時(shí)或祈使句時(shí),賓語(yǔ)從句可根據(jù)情況使用各種時(shí)態(tài)。例如:
I hear she is here today(she was here yesterday/ she will be here tomorrow.)
2. 如果主句是一般過(guò)去時(shí),賓語(yǔ)從句應(yīng)使用過(guò)去時(shí)態(tài)的某種形式。例如:
He said he was watching TV(he had swept the floor/ he would play football after school)。
3. 如賓語(yǔ)從句所敘述的是客觀事實(shí)、自然現(xiàn)象或科學(xué)真理等,從句不受主句時(shí)態(tài)限制,仍用一般現(xiàn)在時(shí)。例如:
Our teacher told us that light travels faster than sound.
二、高中賓語(yǔ)從句要點(diǎn)之引導(dǎo)詞的使用
1. 當(dāng)賓語(yǔ)從句由陳述句變化而來(lái)時(shí),用that來(lái)引導(dǎo)從句,that常無(wú)具體意義,一般可省略。例如:
Lin Tao thought(that)the TV play was very boring.
2. 當(dāng)賓語(yǔ)從句是由一般疑問(wèn)句變化而來(lái)時(shí),要用if或whether來(lái)引導(dǎo)從句。例如:
David asked his mother if/ whether she liked the dinner last night.
3. 當(dāng)賓語(yǔ)從句是由特殊疑問(wèn)句變化而來(lái)時(shí),原句中的疑問(wèn)詞充當(dāng)連接代詞(如who, whose, what, which)或連接副詞(如when, where, why, how),引導(dǎo)賓語(yǔ)從句。例如:
Do you know what we can do on the island?
I don’t know why Jane was late for school this morning.
三、高中賓語(yǔ)從句要點(diǎn)之語(yǔ)序的陳述化
賓語(yǔ)從句一般要用陳述句語(yǔ)序。例如:
When did he leave? I want to know. →I want to know when he left.
Does the shop close at six every day? Do you know? →Do you know if/ whether the shop closes at six every day?
四、高中賓語(yǔ)從句要點(diǎn)之否定轉(zhuǎn)移
當(dāng)主句的謂語(yǔ)動(dòng)詞為think, believe, suppose等動(dòng)詞,且主語(yǔ)為第一人稱時(shí),從句的否定要轉(zhuǎn)移到主句上。例如:
I don’t believe he is here on time, is he?
I don’t think Tom is the best student in his class, is he?
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