require的用法如下:
1. sb. be required to do sth. 某人需要做某事,某人被要求做某事
require sb. to do sth.要求某人做某事
如:The teacher required us to finish our homework on time.
We are required to finish our homework on time.
2. sth. requires doing =sth. requires to be done 某事需要被做
如: The house requires repairing./The house requires to be repaired.

我需要学习. I'm required to learn .