Complete the sentences

6. Lucy (not/to hurt)……………………. her foot if she (not/to drop)………………………….. the old box on it.
 
7. If you (to use) ………………….a sharp knife, you (not/to cut)………………………….. yourself.
 
8. If Victoria (to celebrate)………………………. her birthday at home, I (to bring)…………… ……………………..her some flowers.
 
9. We (to take) …………………..the train to Edinburgh if it (to run)……………………… on time.
 
10. If Max (not/to forget) ………………………….his schoolbag, he (to give)………………
…………………….. you your USB flash drive.