5 If I invite her, she will come

1. My work is worse than yours
2. Nobody in the family is younger than Dick
3. If I didn't lose the key, I could get into the house
4. They are not old enough to join the army
5. If you invite her, she will come
6. The picture is so heavy that we can't hang it on the wall
7. They were not only tired but also hungry
9. If she didn't go out in the rain, she wouldn't get wet
10. Tom is too weak to lift the table