1.我是一个好学生
I'm a good student.
2.他将要去美国（be going）
he is going to study in America.
3.她昨天看了一本很无聊的书
she read a boring book yesterday.
4.他昨天这个时候正在和他家的狗打架
he was quarrel with his dog yesterday at this time
5.你已经做完全部作业了吗? 是的,我从上个月就开始做了
have you finished all your work? yes, i have beening doing it since last mobth,
希望对你有帮助~