2019解放军文职招聘考试教育学英语知识点177

来源： 2019-04-28 11:01中

[误] They must have arrived till now.

[正] They must have arrived by now.

[析] by now是用于表达到目前为止某一动作已经发生，所以应用瞬间动词。而till now是强调某一动作一直持续到现在，所以一定要用持续性动词。must have+过去分词是对过去某一事情所作的肯定推测。

[误] Someone called you right now.

[正] Someone called you just now.

[析] just now有两个意思，其一是"刚才"，其二是"现在"，而right now只能用于现在的状态。just则用于完成时态，如：I have just finished my homework.

[误] My father will be back from America at present.

[正] My father will be back from America presently.

[析] presently有两个意思：其一是最近，不久，其二在美语中是现在之意，与at present相同。而for the present为暂时，如：I teach English in the school for the present.

[误] I'll be back at the moment.

[正] I'll be back in a moment.

[析] at the moment 其意为"现在，当时"，而in a moment意为"马上过一会"，与in a minute意思相近。

[误] The train from Shanghai will arrive here in time.

[正] The train from Shanghai will arrive here on time.

[析] on time为"准时"，而in time有两个含意。其一是"及时"，如：The doctor arrived in time。其二是"将来，终究"。

[误] I met an old friend sometimes last month.

[正] I met an old friend sometime last month.

[析] Sometime 过去，或者将来某时。Sometimes 有时

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