來(lái)源:網(wǎng)絡(luò)資源 2022-05-07 16:48:03
1詞組
1. how long, how often, how soon
(1)how long指多長(zhǎng)時(shí)間,主要用來(lái)對(duì)一段時(shí)間(如three days, four weeks 等)提問(wèn)?如:How long ago was it? 這是多久前的事了?
(2)how often指每隔多久,主要用來(lái)對(duì)頻率副詞或狀語(yǔ)(如once a week等)提問(wèn)?如:—How often does he come here? —Once a month. 他(每隔)多久來(lái)一次?每月一次。
(3)how soon指再過(guò)多久,主要用來(lái)對(duì)表示將來(lái)的一段時(shí)間(in an hour, in two weeks 等)提問(wèn)?如:How soon can you come? 你多快能趕來(lái)?
2. few, a few, little, a little, several, some
(1)few 和little的意思是否定的,表示“很少”或“幾乎沒(méi)有”;而a few和a little的意思是肯定的,表示“有一些,有一點(diǎn)兒”
(2)few 和 a few修飾可數(shù)名詞;little 和 a little 修飾不可數(shù)名詞
(3)several用于修飾可數(shù)名詞,語(yǔ)意比a few和some更肯定,含有“好幾個(gè)”的意思
(4)some可修飾可數(shù)名詞,也可修飾不可數(shù)名詞,從數(shù)量上說(shuō),它有時(shí)相當(dāng)于a few 或 a little,有時(shí)指更多一些的數(shù)量
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