【正文】
ip. 她還沒(méi)有完成作業(yè)。 她已經(jīng)完成作業(yè)。Module 3 Unit 3 Language Practice Grammar 現(xiàn)在完成時(shí)用在什么地方呢? 當(dāng)我們要表達(dá) “某人 曾經(jīng) 做過(guò)某事” , “某人 已經(jīng) 做了某事” 等意思時(shí) , 英語(yǔ)要用“現(xiàn)在完成時(shí)”來(lái)表達(dá)。 否定句 I have not worked. He/She has not worked. They have not worked. 肯定句 I have worked. He/She has worked. They have worked. haven’t asn’t aven’t 現(xiàn)在完成時(shí)的結(jié)構(gòu): has/have + done (動(dòng)詞過(guò)去分詞 ) 現(xiàn)在完成時(shí)的肯定形式是: 現(xiàn)在完成時(shí)的一般疑問(wèn)句形式是: She / He / It / 或人物的單數(shù)形式 has done sth I/We/You/They或人物的復(fù)數(shù)形式 have done sth 現(xiàn)在完成時(shí)的一般疑問(wèn)句形式是: Has done sth? she / he / it / 或 sb的單數(shù)形式 Have done sth? I / we / you / they / 或 sb的復(fù)數(shù)形式我父母曾經(jīng)坐船去大連旅游。 我父母未曾坐船去過(guò)大連旅游。 你父母曾經(jīng)坐船去大連旅游嗎? 她已經(jīng)完成作業(yè)了嗎? Have your parents travelled to Dalian by ship? Has she done (finished) her homework? She hasn’t done (finished) her homework. 要表達(dá)“ 剛剛做完某事”、“已經(jīng)做完某事 ” 時(shí),我們