[例]①M(fèi)ore than a dozen students in that school ________ abroad to study medicine last year.
A. sent B. were sentC. had sentD. had been sent
[解析] 此題有明顯的時(shí)間標(biāo)志詞last year,提示我們應(yīng)該使用一般過(guò)去時(shí);句中的主語(yǔ)students是被送的對(duì)象,應(yīng)該使用被動(dòng)語(yǔ)態(tài)?答案為B?
動(dòng)詞的時(shí)態(tài)一般都有其相應(yīng)的時(shí)間狀語(yǔ),請(qǐng)同學(xué)們熟記下列8種常用時(shí)態(tài)所對(duì)應(yīng)的時(shí)間狀語(yǔ)?