语法图解
探究发现
①We should insist that advertising is more controlled, especially advertising aimed at children.
②On a personal level, we ought to visit the shops less and worry less about image.
③As a society, it's high time that we took/should take these issues more seriously.
④Protest groups are insisting that some of our money be given to the third world.
⑤If laws such as these came into being, a huge adjustment would be required ...
[我的发现]
(1)句①、句②用情态动词should/ought to表示“建议”。
(2)句③用It is/was (high/about) time that ...句型表示“建议”。其中的that从句谓语动词用一般过去时或“should＋动词原形”，should不可省略。
(3)句④用insist表示“建议”，其宾语从句用虚拟语气，形式为“should＋动词原形”，should可以省略。
(4)句⑤用虚拟条件句表示“建议”。
