英语语法问题什么是英语的平行结构?这个知识点是在大学才学习么?比如“Hehasbeen...and...”这个and后面必须要和前面的hasbeen...时态一致?

Question

英语语法问题
什么是英语的平行结构?这个知识点是在大学才学习么?比如“He has been...and ...”这个and后面必须要和前面的has been...时态一致?

Answer 1

平行结构,高中就学了
一、连词连接两个对等的词和对等的结构
并列连词and, but, as well as, or, or else, both … and, neither … nor, either … or, not only … but (also),
rather than等以及从属连词than可连接两个对等的词和对等的结构.
1.所连接的谓语形式必须一致
例1：He went downtown, bought some books and visited his daughter.
例2：Gunpowder was discovered in the twelfth century, but not used in warfare until two hundred years later.
2.所连接的词或短语形式必须一致
例1：Your semester grade is based not only on how well you do on each test, but also on how you participate in
class.
例2：We often go to the countryside as well as to factories.
例3：I would much rather go to the countryside than stay here.
3.连接的非谓语动词的形式必须一致
例1：Some find swimming more enjoyable than sitting at home reading.
例2：He was engaged in writing a letter rather than reading the newspaper.
4.所连接的句子结构必须一致
例1：She is pleased with what you have given and all that you have told him.
例2：The purpose of the research had a more different meaning for them than it did for us.