【正文】
:陳述語(yǔ)氣、祈使語(yǔ)氣、虛擬語(yǔ)氣。如果說(shuō)的不是事實(shí),而是一種假設(shè)、愿望、建議、空想等,就要用虛擬語(yǔ)氣。結(jié)構(gòu)為If sb. did/were+其他,或sb. would/should/could/might+動(dòng)詞原形 If I were you, I should buy the dictionary. If he had time, he would go with you. 注意:從句中be動(dòng)詞多用were,可用于各種人稱,主句中的should只可用于第一人稱。結(jié)構(gòu)為If sb. had done sth. , 或sb. would/should/could/might+動(dòng)詞完成式(have done sth.) If you got up earlier, you could have caught the bus. If my mother had been her