Bài tập về các thì

Bài 1 : Bài tập về các thì 
1. I ( learn )............................ English for seven years now .
2. But last year I ( not \ work ) ............................. hard enugh for English , that is why my marks ( not \ be ) .......................... really that good then .
3. As I ( pass \ want ) ................................ my English exam successfully next year , I ( study ) harder this term .
4. During my last summer holidays , my parents ( send ) ................................ me on a language course to London .
5. It ( be ) great and I ( think ) ............................. I ( learn ) ...................... a lot .
6. Before I ( go ) ............................ to London , I ( not \ enjoy ) ........................... learning English .
7. But while I ( do ) .............................. the language curse , I ( meet ) ................ lots of young people from all over the world.
8. There I ( notice ) ...................... how important it ( be ) .................... to speak foreign languages nowadays .
9 . Now I ( have ) ............................. much more fun learning English than I ( have ) ........................... before the course .
10 . At the moment I ( revise ) ........................... English grammar .