來(lái)源:網(wǎng)絡(luò)資源 2022-09-13 14:17:13
引導(dǎo)詞
1.從句為陳述句,常選擇引導(dǎo)詞that,that引導(dǎo)賓語(yǔ)從句無(wú)意義,不充當(dāng)句子成分常省略。例句:He told us (that)they would help us through the whole work.
2.從句為一般疑問(wèn)句,常選擇引導(dǎo)詞if或whether,表示“是否”。在 whether … or not 結(jié)構(gòu)中不能用 if 替換。例句:I don't know if there will be a bus any more.
3. 從句為特殊疑問(wèn)句,常選擇what,when,where,which,who,how等的疑問(wèn)代詞、副詞作引導(dǎo)詞。例句:He didn't tell me when we should meet again.
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