The woman’s condition is such that she would have been unable to communicate to staff that she was pregnant or that she had been assaulted.问题：she would have been unable to xxx 此处时态如何理解？
She's not doing a very good job. All the same ,you've got to admit she's doing her best.请问老师，这个句子只是一般的描述，为什么前后两次都用进行时is doing? ”她工作做的不好“ 和“她尽力了"还能进行时吗。。。另外这个'v...
If this approach is widely applicable, or if future AI systems can be trained using sparser amounts of data, the tech giants' edge is blunted.这句话中，if从句用的一般现在时，主句为什么也是用的一般现在时，主句不该用will be blunted吗？
老师，我想问一下， He will come tomorrow.和 he is coming tomorrow.的区别，是不是he will come tomorrow单纯表示他明天会到来，而he is coming代表他现在正在来的路上，明天就到了，就和I'm getting all the things.一样，正在准备中，即将要准备好...
...by 20% between 1990 and 2000. 3. 请问这两个句子分别应该选什么时态？The sales rose/has
risen by 20% between 2020 and 2023. The sales rose/has
risen by 20% between 2020 and 2022.
Shanghai _______ (be) a small town hundreds of years ago.
Now it ______ (become) a large city.
第一空应是was,第二空应该是becomes还是has become？又或者两者都可以？盼望专家老师解惑。上一次学生打错字了，请见谅。
The sun _____ early in the summer, before you _____ and ____ your
breakfast.A. rise/get up/eatB. rises/got up/ateC. rises/get up/eat请问老师，该题答案为C，请问答案B是否也正确呢？
...s.请问 when doing sth 如何变成从句？尤其是如何确定从句的时态？下面哪个对？When you take notes, just write down the key words,
such as names, dates, and numbers.When you are taking notes, just write down the key
words, such as names, dates, and numbers.