外研版九年級(jí)英語(yǔ)上冊(cè)《My family always go somewhere interesting as soon as the holiday begins》Public holidays PPT課件(第2課時(shí)),共18頁(yè)。
until的用法
①作介詞,意為“直到······”,表示時(shí)間,后跟時(shí)間點(diǎn)。用于肯定句中,謂語(yǔ)動(dòng)詞用延續(xù)性動(dòng)詞;用于否定句中,謂語(yǔ)動(dòng)詞用非延續(xù)性動(dòng)詞。
eg:I waited until 3:00,but he didn't come.我一直等到3點(diǎn)鐘,但他沒(méi)來(lái)。
②作連詞,意為“直到······時(shí)候”,引導(dǎo)時(shí)間狀語(yǔ)從句,常與延續(xù)性動(dòng)詞連用。
eg:I'll wait until he comes.我會(huì)一直等到他來(lái)。
【拓展】not...until意為“直到······才······”,與非延續(xù)性動(dòng)詞連用。
eg:I won't go to bed until I finish my homework.直到完成作業(yè),我才上床睡覺(jué)。
【辨析】some time,sometime,some times與sometimes
①some time指一段時(shí)間。
②sometime指將來(lái)或過(guò)去的某時(shí)。
③some times意為“幾次”。
④sometimes意為“有時(shí)”,為頻率副詞,常放在句中或句首。
We only have one day off.我們只放一天假。
off在此意為“不上班”。
And is there anything special on that day?在那天(你們)還有什么特別的事情嗎?
形容詞修飾不定代詞或不定副詞時(shí),形容詞應(yīng)后置。
重點(diǎn)詞組歸納
since then從那以后
three-day holiday三天的假期
all kinds of各種各樣的
have a picnic去野餐
take a vacation去度假
have fun玩得開(kāi)心
as soon as一······就······
... ... ...
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