現(xiàn)以動(dòng)詞be/work為例將常用的8種時(shí)態(tài)列舉如下表:一般進(jìn)行完成現(xiàn)在be/work一般現(xiàn)在時(shí)態(tài)be(is,am,are)work(works)現(xiàn)在進(jìn)行時(shí)態(tài)is(a... [查看全文]
■動(dòng)詞的分類 表示動(dòng)作中狀態(tài)的詞叫做動(dòng)詞。根據(jù)其在句中的功能,動(dòng)詞可分為行為動(dòng)詞、系動(dòng)詞、助動(dòng)詞和情態(tài)動(dòng)詞四類,有些動(dòng)詞是兼... [查看全文]
根據(jù)其是否能用作謂語,動(dòng)詞可分為謂語動(dòng)詞和非謂語動(dòng)詞。謂語動(dòng)詞在句中可用作謂語,而非謂語動(dòng)詞則不用作謂語(但可用作主語、賓語、... [查看全文]
didn't need to do表示過去不必做某事, 事實(shí)上也沒做?! eedn't have done表示過去不必做某事, 但事實(shí)上做了。例... [查看全文]
結(jié)構(gòu)一:肯定的陳述句 + 否定的簡(jiǎn)短問句? It’s Monday today, isn’t it? 今天星期一,是嗎? He often goes... [查看全文]
1. 基本變化規(guī)則 ?、僖话阍诿~后加s,變成復(fù)數(shù)。如boy→boys, pen→pens等?! 、谝詓, x, sh, ch結(jié)尾的,在后面加es... [查看全文]
先請(qǐng)看題: It is reported that a great number of ________ died in the drought. A. cattles B. polices C.... [查看全文]
關(guān)于名詞所有格的用法應(yīng)注意以下三點(diǎn): 一、用 -’s 表示 有生命的人或物的所有格用-’s表示,有時(shí)也可用of表示。如... [查看全文]
1 不定式作賓語 動(dòng)詞+ 不定式 afford, aim, appear, agree, arrange, ask, be, decide, bother, care, choose, com... [查看全文]
(一)定語從句一般由關(guān)系代詞和關(guān)系副詞引導(dǎo) 1、關(guān)系代詞:who, whom, whose, which, that, as 2、關(guān)系副詞:when, where,... [查看全文]