Question

求大神帮忙分析下这两个英语句子成分

1.I happen to know the answer to the question
这句话I是主语，happen是谓语，to knowthe answer是宾语,to the question是修饰the answer吗？做什么成分？
2.I ask you to pick up it.同样I是主语 ask谓语 you是宾语 to pick up it做什么成分？

Answer 1

托福阅读考试离不开词汇的考核，下面小编整理了托福阅读考试的核心词汇，希望能帮助大家备考。
91.thanks to 由于
kiwis smell out earthworms thanks to nostrils located at the tip of their beaks.
92.to some extent 某种程度上
Their attitudes toward themselves changed, and, to some extent, other segments of American society began to change their attitudes toward them.
93.turn out 结果是，证明是
Some potash was exported from Maine and New Hampshire in the seventeenth century, but the market turned out to be mainly domestic.
94.usher in 宣告…的来临
Autumn could be ushered in by severe frost.
95. wear away 磨损 Natural forces wear away the Earth's crust
96.wipe out 消灭，肃清
Entire crops can be wiped out by fungal attacks both before and after harvesting.
97.with respect to 在…方面
The year 1850 may be considered the beginning of a new epoch in America art, with respect to the development of watercolor painting.
98. with the advent of 随着…的出现
With the advent of high-resolution radio interferometers during the late 1970's, part of the answer became clear.
99.with the aid of 借助于
It is now taught with the aid of computers.
100.with the exception of 除..以外
With the exception of printing patterns directly onto the cloth, whether by block, roller, or screen, all of these are based on dyeing; that is, the immersion of the fabric in a dye bath.

Answer 2

I主语，happen to know 是谓语， the answer to the question是宾语，to the question 做定语修饰the answer

Answer 3

happen to 是短语 “碰巧做某事” the answer 是宾语 to the question 是定语，修饰answer.
to pick it up 是you的补足语，作宾语补足语。