1.it is easy to learn English 
2. If you leave the lights on all the light , you will waste electricity 
3. no one  can play giutar better than Nam

4. unless you rest yourself , you really will be ill
5. my mother asked me what subjects I found the most difficult 
6. thu asked me if I spoke other languages
7. my friends told me they might go sightseeing in sapa the next week 
8. she said to me I had to sign the paper again 
bài 2
1.are 
2.working 
3.however
4.information.
5.there
6.all 

7.invented 
8.for
9.invented
10.questions
đây là ý kiến của mk bạn tham khảo nha có chỗ nào sai sót bỏ qua nha 
chúc bạn học tốt :)) xin trả lời hay nhất ạ 

I:

1, It's easy to learn English

2, If you leave the lights on all night, you will waste electricity

3, No one in his class is better than Nam

4, Unless you rest yourself, you realy will be ill

5, My mothe asked me what subject i found the most difficult

6, Thu asked me if i spoke other languages

7, My friend told me we might go sightseeing in Sapa the following week

8, She said to me that i had to sign the paper again

II:

1, are

2, working

3, However

4, there

5, all

6, for

7, invented

8, information

9, by

10, questions

III:
1, went-had gone

2, came-finished

3, had met

@Xin ctlhn với ạ