If it were not for ...
結(jié)構(gòu)┱if it were not for+名詞/子句，主詞+would/should 等+原形動(dòng)詞…
說(shuō)明┱此句型意為“若非(有)…”。此類句構(gòu)專門用于表示與現(xiàn)在事實(shí)相反的。亦可用“but for+”或“without+”代替。were 可以提前，省略 if，如例句3。
If it were not for his presence, I would punish you. 要不是他在場(chǎng)，我會(huì)處罰你的。
But for your advice, I should have failed. 要不是你的忠告，我會(huì)失敗的。
But for music (=Were it not for music), life would be dull. 要不是音樂(lè)，人生會(huì)很無(wú)聊。
If it were not for oxygen and nitrogen in the air, no man could live on the earth.
大氣中如果沒(méi)有氧和氮，人就無(wú)法生存于地球了。
Without air, all living things would die. 若非空氣，所有的生物都會(huì)死亡。
Without newspaper, we would get behind the times. 要不是報(bào)紙，我們都趕不上時(shí)代了。
I should be lonely, were it not for the birds and the flowers. 我會(huì)寂寞，若非有鳥也有花。
Were it not for his help, I could not finish the work.若非有他的幫助，我就不能完成這件工作。
Were it not for science, we could not live a comfortable live.
若非科學(xué)，我們無(wú)法過(guò)著舒適的生活。
If it had not been for ...
結(jié)構(gòu)┱if it had not been for+名詞/子句，主詞+would/should 等+原形動(dòng)詞…
說(shuō)明┱此句型意為“若非(有)…”。此類句構(gòu)專門用于表示與過(guò)去事實(shí)相反的。
If it had not been for his help, I should have failed. 如果沒(méi)有他的幫忙，我應(yīng)該已經(jīng)失敗。
Had it not been for your timely help, our company would have been on the verge of bankruptcy. 若非你及時(shí)伸出援助之手，本公司將會(huì)瀕臨破產(chǎn)的邊緣。
If it had not been for these experiments, the improvement of the machine would have been impossible. 要不是這些實(shí)驗(yàn)，這部機(jī)器也許就不可能改良了。
Had it not been for the kind guide, I might have got lost in the mountains.
要不是這位好心的向?qū)?，我可能就在山中迷路了?BR> If it had not been that he was here, I would have punished you.
要不是他在場(chǎng)，我當(dāng)時(shí)就會(huì)處罰你。
結(jié)構(gòu)┱if it were not for+名詞/子句，主詞+would/should 等+原形動(dòng)詞…
說(shuō)明┱此句型意為“若非(有)…”。此類句構(gòu)專門用于表示與現(xiàn)在事實(shí)相反的。亦可用“but for+”或“without+”代替。were 可以提前，省略 if，如例句3。
If it were not for his presence, I would punish you. 要不是他在場(chǎng)，我會(huì)處罰你的。
But for your advice, I should have failed. 要不是你的忠告，我會(huì)失敗的。
But for music (=Were it not for music), life would be dull. 要不是音樂(lè)，人生會(huì)很無(wú)聊。
If it were not for oxygen and nitrogen in the air, no man could live on the earth.
大氣中如果沒(méi)有氧和氮，人就無(wú)法生存于地球了。
Without air, all living things would die. 若非空氣，所有的生物都會(huì)死亡。
Without newspaper, we would get behind the times. 要不是報(bào)紙，我們都趕不上時(shí)代了。
I should be lonely, were it not for the birds and the flowers. 我會(huì)寂寞，若非有鳥也有花。
Were it not for his help, I could not finish the work.若非有他的幫助，我就不能完成這件工作。
Were it not for science, we could not live a comfortable live.
若非科學(xué)，我們無(wú)法過(guò)著舒適的生活。
If it had not been for ...
結(jié)構(gòu)┱if it had not been for+名詞/子句，主詞+would/should 等+原形動(dòng)詞…
說(shuō)明┱此句型意為“若非(有)…”。此類句構(gòu)專門用于表示與過(guò)去事實(shí)相反的。
If it had not been for his help, I should have failed. 如果沒(méi)有他的幫忙，我應(yīng)該已經(jīng)失敗。
Had it not been for your timely help, our company would have been on the verge of bankruptcy. 若非你及時(shí)伸出援助之手，本公司將會(huì)瀕臨破產(chǎn)的邊緣。
If it had not been for these experiments, the improvement of the machine would have been impossible. 要不是這些實(shí)驗(yàn)，這部機(jī)器也許就不可能改良了。
Had it not been for the kind guide, I might have got lost in the mountains.
要不是這位好心的向?qū)?，我可能就在山中迷路了?BR> If it had not been that he was here, I would have punished you.
要不是他在場(chǎng)，我當(dāng)時(shí)就會(huì)處罰你。