【文章內(nèi)容簡(jiǎn)介】
from today./ We have not seen each other since 1995. 表示時(shí)間的 in 和 after:兩者都表示“在(某個(gè)時(shí)間)之后,區(qū)別在于in表示“在(一段時(shí)間)之后” ,而 after 則表示“在(某一具體時(shí)間點(diǎn)之后),in 短語(yǔ)和將來(lái)時(shí)態(tài)連用,after 短語(yǔ)和過(guò)去時(shí)態(tài)或?qū)?lái)時(shí)態(tài)連用?! ∪纾篧e’ll be back in three days. After seven the rain began to fall. What shall we do after graduation? After two months he returned. 注意:after 有時(shí)也可以表示在一段時(shí)間之后(常用在過(guò)去時(shí)里) 不定式做主語(yǔ): 不定式做主語(yǔ)一般表示具體的某次動(dòng)作。===動(dòng)名詞doing表示習(xí)慣的,經(jīng)常的動(dòng)作?! ? To finish the building in a month is difficult. To do such things is foolish. To see is to believe. (對(duì)等) 注: 1).不定式作主語(yǔ)時(shí),謂語(yǔ)用單數(shù) 2).當(dāng)主語(yǔ)較長(zhǎng),謂語(yǔ)較短時(shí),常用it做形式主語(yǔ),而將不定式放到謂語(yǔ)的后面?! t做形式主語(yǔ),不定式放在謂語(yǔ)動(dòng)詞之后常用于下列結(jié)構(gòu)中: (1)It is/was +adj.+of sb. to do… (2) It is +adj.+for sb.+to do… It is easy / difficult / hard / fo