1) 國(guó)名,人名前通常不用定冠詞:England,Mary; 2)泛指的復(fù)數(shù)名詞,表示一類(lèi)人或事物時(shí),可不用定冠詞;They are teachers. 他們是... [查看全文]
1) 不定冠詞位置不定冠詞常位于名詞或名詞修飾語(yǔ)前。注意: a. 位于下列形容詞之后: such,what,many,half,I have never seen ... [查看全文]
1)人稱(chēng)代詞的主格在句子中作主語(yǔ)或主語(yǔ)補(bǔ)語(yǔ),例如:John waited a while but eventually he went home.約翰等了一會(huì)兒,最后他回... [查看全文]
情態(tài)動(dòng)詞也可以和動(dòng)詞進(jìn)行形式或完成進(jìn)行形式構(gòu)成謂語(yǔ):表示應(yīng)當(dāng)正在……,想必正在……的意思?!纠纭縒hy should we be sitting he... [查看全文]
現(xiàn)在分詞的完成被動(dòng)式表示分詞的動(dòng)作發(fā)生在謂語(yǔ)的行為之前,且動(dòng)作由邏輯主語(yǔ)所承受(即與邏輯主語(yǔ)是被動(dòng)關(guān)系)?!纠纭縃aving been gi... [查看全文]
1)修飾形容詞或副詞時(shí),通常放在前面。2)當(dāng)句子的謂語(yǔ)動(dòng)詞是行為動(dòng)詞時(shí),頻度副詞一般放在謂語(yǔ)動(dòng)詞之前。句中有be或助動(dòng)詞、情態(tài)動(dòng)詞時(shí),... [查看全文]
現(xiàn)在分詞的完成式主要用在狀語(yǔ)中,表示這個(gè)動(dòng)作在謂語(yǔ)所表示的動(dòng)作之前完成?!纠纭縃aving succeeded in the last examination, sh... [查看全文]
Completed in three months. This is one of the experiments being carried on in our laboratory.Being surrounded by... [查看全文]
dare用作情態(tài)動(dòng)詞時(shí),表示敢于這個(gè)意思,主要用于疑問(wèn)句、否定句及條件從句?!纠纭緿are you go home alone?Tom dare not go int... [查看全文]
世界英語(yǔ)Dr. Jill, I hear you're going on a trip nextweek.吉爾博士,我聽(tīng)說(shuō)你下周要去旅行。Yes, I'm going to Sr... [查看全文]