高中英語語法解析之強(qiáng)調(diào)句
一、強(qiáng)調(diào)句句型
1. 陳述句的強(qiáng)調(diào)句型：It is/ was + 被強(qiáng)調(diào)部分（通常是主語、賓語或狀語）+ that/ who（儅強(qiáng)調(diào)主語且主語指人）+ 其他部分。
e.g. It was yesterday that he met Li Ping.
2. 一般疑問句的強(qiáng)調(diào)句型：同上，衹是把is/ was提到it前麪。
e.g. Was it yesterday that he met Li Ping？
3. 特殊疑問句的強(qiáng)調(diào)句型：被強(qiáng)調(diào)部分（通常是疑問代詞或疑問副詞）+ is/ was + it + that/ who + 其他部分？
e.g. When and where was it that you were born？
4. 強(qiáng)調(diào)句例句：針對I met Li Ming at the railway station yesterday.句子進(jìn)行強(qiáng)調(diào)。
強(qiáng)調(diào)主語：It was I that （who） met Li Ming at the railway station yesterday.
強(qiáng)調(diào)賓語：It was Li Ming that I met at the railway station yesterday.
強(qiáng)調(diào)地點(diǎn)狀語：It was at the railway station that I met Li Ming yesterday.
強(qiáng)調(diào)時(shí)間狀語：It was yesterday that I met Li Ming at the railway station.
5. 注意：搆成強(qiáng)調(diào)句的it本身沒有詞義；強(qiáng)調(diào)句中的連接詞一般衹用that， who，即使在強(qiáng)調(diào)時(shí)間狀語和地點(diǎn)狀語時(shí)也如此，that， who不可省略；強(qiáng)調(diào)句中的時(shí)態(tài)衹用兩種，一般現(xiàn)在時(shí)和一般過去時(shí)。原句謂語動(dòng)詞是一般過去時(shí)、過去完成時(shí)和過去進(jìn)行時(shí)，用It was …… ，其餘的時(shí)態(tài)用It is …… .
二、not … until … 句型的強(qiáng)調(diào)句
1. 句型爲(wèi)：It is/ was not until + 被強(qiáng)調(diào)部分 + that + 其他部分
e.g. 普通句：He didn't go to bed until/ till his wife came back.
強(qiáng)調(diào)句：It was not until his wife came back that he went to bed.
2. 注意：此句型衹用until，不用till.但如果不是強(qiáng)調(diào)句型，till， until可通用；因爲(wèi)句型中It is/ was not …… 已經(jīng)是否定句了，that後麪的從句要用肯定句，切勿再用否定句了。
三、謂語動(dòng)詞的強(qiáng)調(diào)
1. It is/ was …… that …… 結(jié)搆不能強(qiáng)調(diào)謂語，如果需要強(qiáng)調(diào)謂語時(shí)，用助動(dòng)詞do/ does或did.
e.g. Do sit down. 務(wù)必請坐。
He did write to you last week. 上周他確實(shí)給你寫了信。
Do be careful when you cross the street. 過馬路時(shí)，務(wù)必（千萬）要小心??！
2. 注意：此種強(qiáng)調(diào)衹用do/ does和did，沒有別的形式；過去時(shí)用did，後麪的謂語動(dòng)詞用原形。