衛(wèi)生類職稱英語備考句型：

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+原形動詞…

說明：此句型意為“若非(有)…”。此類句構(gòu)專門用于表示與過去事實相反的。

If it had not been for his help,I should have failed. 如果沒有他的幫忙，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. 若非你及時伸出援助之手，本公司將會瀕臨破產(chǎn)的邊緣。

If it had not been for these experiments,the improvement of the machine would have been impossible. 要不是這些實驗，這部機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�?

If it had not been that he was here,I would have punished you.

要不是他在場，我當(dāng)時就會處罰你。