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【短语3】declare war on

【点拨】declare war on,相当于declare war against意为"向……宣战"。如:

Japan declared war on China in 1937.

Police have declared war on drug dealers in the area.

【拓展】辨析declare&announce

declare常用于正式场合,含有庄严宣告或交代清楚的意思,它所涉及的事不一定是对方所不知道的。announce更接近于汉语"公布、告知"的意思,它所涉及的是一件对方原来不知道的事。如:

The accused declared himself innocent.

The date of his visit has not been announced.

热点语法聚焦

上期重点讲虚拟语气在if引导的非真实条件状语从句中的用法,本期重点讲述虚拟语气在其他从句中的一些主要用法。

1. 虚拟语气用于宾语从句

(1) wish后宾语从句中的虚拟语气。表示现在的祝愿和报歉。其句子结构为:宾语从句的谓语be用were(was),实义动词用过去式。如:

I miss you so much and I wish I were there with you.

表示对过去事情的遗憾。其句子结构为:宾语从句的谓语用过去完成时或could+现在完成时。如:

I wish I had known him ten years ago.

表示对将来事情的愿望。其句子结构为:宾语从句的谓语为would / should / could / might +动词原形。如:

I wish I could fly to the moon one day.

(2)虚拟语气用于其他宾语从句在suggest, advise, propose, order, command, demand, require, request, insist等表示"建议"、"命令"、"劝告"等的动词后的宾语从句中要用虚拟语气。谓语动词用"(should) +动词原形"。如:

He ordered that the students wash the clothes every week by themselves.

注意: suggest 作"显示,表明,说明",insist作"坚持说,坚持认为"时,从句不用虚拟语气,而用陈述语气。如:

His pale face suggests that he is ill.

He insisted that he was right, and so he insisted that his plan be carried out at once.

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