3. I didn't lose the key, I could get into the house (Câu điều kiện loại 2)

4. old enough to join the army (adj + enough + to V)

5. If you don't invite her, she won't come. (If ... not ... = Unless)

6. is too heavy for us to hang it on the wall

Hoặc: is so heavy that we can't hang it on the wall

7. tired but also hungry (not only ... but also...: không những ... mà còn ...)

8. their work, they went home

9. If she goes out in the rain, she will get wet.

Hoặc: If she didn't go out in the rain, she wouldn't get wet.

10. is too weak to lift the table

Hoặc: not strong enough to lift the table

Hoặc: so weak that he can't lift the table

3. I didn't lose the key, I could get into the house (Câu điều kiện loại 2)

4. old enough to join the army (adj + enough + to V)

5. If you don't invite her, she won't come. (If ... not ... = Unless)

6. is too heavy for us to hang it on the wall

Hoặc: is so heavy that we can't hang it on the wall

7. tired but also hungry (not only ... but also...: không những ... mà còn ...)

8. their work, they went home

9. If she goes out in the rain, she will get wet.

Hoặc: If she didn't go out in the rain, she wouldn't get wet.

10. is too weak to lift the table

Hoặc: not strong enough to lift the table

Hoặc: so weak that he can't lift the table