初中英語語法：四類省略的虛擬條件句型

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    四類省略的虛擬條件句型
    一、省略連詞if
    有時(shí)可將條件從句的連詞if省略，但此時(shí)應(yīng)用倒裝句型，即將從句中的were, should, had 等提到句首：
    Were I Tom, I would refuse. 如果我是湯姆，我會(huì)拒絕。
    I will go, should it be necessary. 假若有必要，我會(huì)去的。
    Had it not been for the bad weather we would have arrived in time. 若不是天氣壞，我們就準(zhǔn)時(shí)到達(dá)了。
    【注】① 若條件從句為否定句，否定詞not應(yīng)置于主語之后，而不能與were, should, had 等縮略成Weren’t, Shouldn’t, Hadn’t而置于句首。
    ② 有時(shí)省略if后提前的had不是助動(dòng)詞：
    Had I time, I would come. 假若我有時(shí)間，我會(huì)來的。(=If I had time…)
    二、省略條件句的主語和其后的動(dòng)詞be
    若主從句主語一致，且謂語部分包含有動(dòng)詞be，通?？蓪⒅髡Z和動(dòng)詞be省略：
    If repaired earlier, the tractor would not have broken down. 要是早點(diǎn)兒修一下，拖拉機(jī)就不會(huì)拋錨了。(=If it had been repaired earlier…)
    三、省略“it+be”
    If necessary, I would send more farm-hands to help you. 如果需要的話我會(huì)派更多的民工去幫你。(=If it was necessary, I would…)
    四、省略整個(gè)條件從句
    這樣的省略通常需要借助一定的上下文，即省略條件從句后，所剩下的主句的意思在一定的上下文中意思是清楚的：
    I might see her personally. It would be better. 我可以親自去看她，這樣好一些。(=…If I saw her personally, it would be better.)