succeeded.
(一) 宾语从句中的虚拟语气
1. suggest, require, order, etc +宾语从句
在一些表示建议、愿望、要求、请求、劝告、意志、欲望、命令、安
排、决定等的动词的宾语从句中，要用虚拟语气。
这类动词有：request, propose, decide, advise, order, ask, demand, require,
insist, urge, desire, recommend, plead, suggest 等。虚拟形式：（should）
+动词原形
She demanded (that) the paper (should) be rewritten.
I suggest (that) he (should) get there as soon as possible.
He insisted that our laboratory reports (should) be handed in the day after
the experiment was done.
His suggestion is that we should do our work more carefully.
（二）主语从句中的虚拟语气
1. it is important, required, etc+主语从句
在 it is +表示要求、建议、必要、命令等意思的形容词或分词+主语
从句的结构中，要用虚拟语气。
这类形容词和分词有：possible, urgent, ordered, important, imperative,
requested, advisable, commanded, vital, keen, desirable, asked, essential,
required, insisted, suggested, recommended, necessary 等。
It’s necessary (that) we (should) start to do the work right away.
It’s urgent we(should) send for a doctor at once.
(一) 宾语从句中的虚拟语气
1. suggest, require, order, etc +宾语从句
在一些表示建议、愿望、要求、请求、劝告、意志、欲望、命令、安
排、决定等的动词的宾语从句中，要用虚拟语气。
这类动词有：request, propose, decide, advise, order, ask, demand, require,
insist, urge, desire, recommend, plead, suggest 等。虚拟形式：（should）
+动词原形
She demanded (that) the paper (should) be rewritten.
I suggest (that) he (should) get there as soon as possible.
He insisted that our laboratory reports (should) be handed in the day after
the experiment was done.
His suggestion is that we should do our work more carefully.
（二）主语从句中的虚拟语气
1. it is important, required, etc+主语从句
在 it is +表示要求、建议、必要、命令等意思的形容词或分词+主语
从句的结构中，要用虚拟语气。
这类形容词和分词有：possible, urgent, ordered, important, imperative,
requested, advisable, commanded, vital, keen, desirable, asked, essential,
required, insisted, suggested, recommended, necessary 等。
It’s necessary (that) we (should) start to do the work right away.
It’s urgent we(should) send for a doctor at once.
