根据要求进行句型转换
1. I study English by asking the teachers for help. (对画线部分提问)
you study English?
2. It's very hard.I can't understand the words. (将两句合为一句)
It's _______ hard _______ me _______ understand the words.
3. He thinks that watching English movies is a good way to learn English. (同义句转换)
He thinks ____ is a good way to leam English _______ _______ English movies.
4. It helped a lot. (改为否定句)
It ____ help ________.
5. I don't know how I can learn English well. (同义句转换)
I don't know _______ English well.