高中英語(yǔ)語(yǔ)法中It用法及其句型和固定搭配講解
It用法及其句型和固定搭配講解
三、It作主語(yǔ)的句型
1. It takes sb. to do（=sb takesto do）某人用多長(zhǎng)時(shí)間做某事
例 It took the men a week to mend our roof.（= The men took a week to mend our roof.）
2. It's（just）（un）like sb. to do（不）像某人做某事的'風(fēng)格
例 It was（just）like him to think of helping us.
3. It's（about/high）time that should /v-ed是該做某事的時(shí)候了
例 It's（about/high）time that we should take action.
4. It's the x-th time（that） have v-ed第幾次做某事了
例 It's the third time that he has failed the driving test.
5. It is/has been since continuous v-ed（延續(xù)性動(dòng)詞）某動(dòng)作已有多長(zhǎng)時(shí)間不發(fā)生了
例 It's 10 years that he lived here
6. It was（not） before過(guò)（不）了多長(zhǎng)時(shí)間某動(dòng)作發(fā)生了
例 It was not long before they arrived.
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