|,

1,have ever seen

2,havenot seen,left

3,has worked

4,spent

5,havenot finished

6,living

||,

1,i have learned english for four years.

2,new house will built by nam here.

3, it take three hours to do my homework everyday.

4,although he stuying hard,he couldnot pass the final exam.

5,the road will widened to our village next year.

1,have ever seen

2,did not see.......has leaved

3,has worked

4,have spended

5,have not finished

6,living 

bài 2

1,i have learned English for four years

2,New house will be built by nam here

3,it takes me three hours to do my homework everyday

4,Although he study hard,he could not pass the final exam

5,The road will be widened to our village next year