不定式例如 be able to do, be happy to do, be willing to do,这里 to do 是做结果状语吗？还有一种说法是这里的to do可以看做宾语从句的省略，比如 I am happy that I do sth,是这样吗？动名词如 be busy doing, be worth doing，这里动名词是做什么成分？
...老师，这是一本词典中的例句：The two sisters differ widely in that the younger sister is a night person and the older a morning person.在我的记忆中，and若连接并列从句，第一个从句的that可以省略，第二个则不能省略，否则会和主句的主谓结构并列...
Answer the question.Is there anything in the basket?No, __________________________.请问横线上的句子该怎么填？(1) there is nothing in the basket.(2) there isn’t anything in the basket.
Sherman
Cymru is excited to present a packed programme of the very best theatre, dance,
family shows and music from Wales and the rest of the world.这是2022年高考英语全国甲卷（全国卷Ⅱ）阅读理解A中的一个句子。句中的
packed 不太好理解。请专家老师赐教！
According to Baidu, the high-quality content of NetEase Cloud Music will reach hundreds of millions of users by viture of Baidu's app, information flow and video platform. 老师，这里的information flow and video platform存在省略吗？是百度app的同位语吗？
1. Tom studied hard so that he would do well on the test.2. Tom studied hard so he would do well on the test.3. Tom studied hard, so he would do well on the test.4. Tom studied so hard that he would do well on the test.请问以上四个句子有什么区别？
In
broad terms, the heritability of a trait measures the extent to which
differences among members of a population can be explained by differences in
their genetics.可以帮忙翻译一下吗，特别是哪个the extent to which 到底表示了什么意思？
The scientists have absolute freedom as to what research they think is best to pursue.请问老师，这里的what是不是做名词性从句中pursue的宾语，还是把what research看作一个整体当名词性从句中is的主语（但是这样分析怪怪的，可以what+名词引导名词性...
We were doing 90mph, so that other car that passed us must have been really travelling!请问这个句子有问题吗? so that是搭配在一起的吗？若不是，那 that other 是搭配在一起的吗？so that other car 是什么意思? 全句是什么意思?
Therefore
to increase the yield of the targeted products, many
factors are taken into consideration.这个句子是对的吧？这里的to increase的逻辑主语是省略了吗？因为肯定不是many factors。