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        職稱英語(yǔ)指導(dǎo):語(yǔ)法知識(shí)——句子2

        字號(hào):

        3.選擇疑問(wèn)句 來(lái)源:www.examda.com
            選擇疑問(wèn)句是講話者對(duì)問(wèn)題提出兩個(gè)或兩個(gè)以上的答案,供對(duì)方選擇其一,供選擇的最后一個(gè)答案由連詞or引出,最后一個(gè)答案用降調(diào),其余的用升調(diào)。選擇疑問(wèn)句有三種形式:
            ⑴以一般疑問(wèn)句為基礎(chǔ),如:
            Would you like a cup of tea or coffee?
            ⑵以特殊疑問(wèn)句為基礎(chǔ),如:
            Which do you prefer, bread or potato?
            ⑶在一般疑問(wèn)句之后加or not,或者用or連接一般疑問(wèn)句的一個(gè)肯定形式或一個(gè)否定形式。如:
            一般疑問(wèn)句:Are you ready?
            選擇疑問(wèn)句:Are you ready or not?
            Are you ready, or are you not?
            這種選擇疑問(wèn)句帶有不耐煩等感情色彩,意思是“你到底是準(zhǔn)備好了還是沒(méi)有準(zhǔn)備好?”。
            4.反意疑問(wèn)句
            反意疑問(wèn)句由兩個(gè)部分組成:陳述句加簡(jiǎn)短一般疑問(wèn)句。這種疑問(wèn)句有兩種結(jié)構(gòu)類(lèi)型:
            一是“肯定陳述 否定疑問(wèn)”,一是“否定陳述 肯定疑問(wèn)”。如:
            He smokes, doesn‘t he?
            They have come back home, haven‘t they?
            He isn‘t listening, is he?
            It isn‘t a fine day, is it?
            注意有些否定詞或半否定詞(如:barely, seldom, few, little, nobody, nothing, never等)出現(xiàn)在陳述部分時(shí),附加部分的動(dòng)詞應(yīng)用肯定形式。如:
            He seldom drinks, does he?
            Few people visited there, did they?
            祈使句 來(lái)源:www.examda.com
            祈使句是表示命令、請(qǐng)求、建議、祝愿或邀請(qǐng)的句子。
            祈使句的主語(yǔ)通常用第二人稱,但一般不出現(xiàn);謂語(yǔ)動(dòng)詞多用原形;口語(yǔ)中一般用降調(diào),表示請(qǐng)示或邀請(qǐng)時(shí)可用升調(diào),并可加上please 一詞;表示強(qiáng)調(diào)或加強(qiáng)勸說(shuō)語(yǔ)氣時(shí),可在肯定祈使句的謂語(yǔ)動(dòng)詞前加do;否定祈使句的謂語(yǔ)動(dòng)詞前加don‘t或do not,如:
            Tell me the truth.
            Open the door, please.
            Do get up early.
            Don‘t open the door.
            為了加強(qiáng)說(shuō)話的語(yǔ)氣或明確說(shuō)話的對(duì)象時(shí),主語(yǔ)可以出現(xiàn),而且可以是第三人稱主語(yǔ),如:
            You show me what to do.
            Nobody move.
            祈使句的另一種結(jié)構(gòu)是“Let (第一、三人稱)賓語(yǔ) 賓語(yǔ)補(bǔ)語(yǔ)”,如:
            Let me have a look.
            Let‘s enjoy ourselves.
            Let us have a party.
            注意let us和let‘s用法上的區(qū)別:let us不包括聽(tīng)話人,let’s包括聽(tīng)話人。
            感嘆句
            用于抒發(fā)喜悅、驚奇、贊賞、憤怒等強(qiáng)烈感情的句子叫感嘆句。感嘆句通常由what或how引導(dǎo),主語(yǔ)和謂語(yǔ)動(dòng)詞不倒裝。
            1.what引導(dǎo)的感嘆句用來(lái)修飾名詞,名詞前可以有不定冠詞或形容詞,如:
            What a time we‘ve had today!
            What a clever boy I have seen!
            2.how用來(lái)修飾形容詞、副詞和動(dòng)詞,如:
            How wonderful this girl sings!
            How fast they are running