大学英语六级语法知识：平行结构
在大学英语六级考试中，单独考察六级语法的题型不多，但是语法知识点却贯穿整张试卷，下面是小编为大家整理的大学英语六级语法知识：平行结构，希望可以为大家带来帮助。
1、连词连接的平行结构
1)并列连词and.but.as well as.or else,both and.either or,neither
nor.not only but also,whether or,rather than等以及从属连词than均可连接平行结构。
e.g Shs is a beautiful and elegant woman.她是一位美丽而优雅的女子。
2)连接的非谓语动词形式一致
e.g Some find swimming more enjoyable than sitting at home reading.
有人觉得游戏远比坐在家里读书有趣。
3)连接的谓语形式一致
e.g This is the lady who listens to the poor and ministers to their wants.
这就是那位能倾听穷人意见并照顾他们需要的女士
4)连接的句子结构一致
e.g He asked me whether I had received the check and whether I had cashed it.
他问我是否收到了支票并把它兑换成现金了。
2、特定的平行结构
1)prefer后面接的.平行结构 prefer to do sth
prefer sth.go sth
prefer doing(sth).to doing(sth) prefer to do(sth)rather
than do(sth)
2)在would /had rather/sooner以及would/had as soon as 结构中要用平行结构
would/had as soon do (sth ) as do (sth)
e.g I would as soon stay at home as go shopping. 我宁愿呆在家里也不愿去逛街购物
英语六级语法知识：特殊的虚拟语气词should
1) It is demanded / necessary / a pity + that…结构中的主语从句的谓语动词要用should 加动词原形， should 可省略。
句型：
(1)suggested
It is
(2)important that…+ (should) do
(3) a pity
(1)suggested, ordered, proposed, required, demanded, requested, insisted; + (should) do
(2)important, necessary, natural, strange
a pity, a shame, no wonder
(3)It is suggested that we (should) hold a meeting next week.
It is necessary that he (should) come to our meeting tomorrow.
2)在宾语从句中的应用
在表示命令、建议、要求等一类动词后面的从句中。
order, suggest, propose, require, demand, request, insist, command, insist + (should) do
I suggest that we (should) hold a meeting next week.
He insisted that he (should ) be sent there.
注意： 如suggest, insist不表示"建议" 或"坚持要某人做某事时"，即它们用于其本意"暗示、表明"、"坚持认为"时，宾语从句用陈述语气。
The guard at gate insisted that everybody obey the rules.
判断改错:
(错) You pale face suggests that you (should) be ill.
(对) Your pale face suggests that you are ill.
(错) I insisted that you ( should) be wrong.
(对) I insisted that you were wrong.
3)在表语从句，同位语从句中的应用
在suggestion, proposal, idea, plan, order, advice等名词后面的表语从句、同位语从句中要用虚拟语气，即(should)+动词原形。
My idea is that we (should) get more people to attend the conference.
I make a proposal that we (should) hold a meeting next week.
