Определить время и что правильно вставить

1. he needs more time to complete this task. 2. he needed to assemble his briefcase yesterday. 3. this saturday i do not need to go to school. 4. you no longer need to buy pencils and pens: mom already bought. 5. do we need to say anything else? 6. you can not go to the library: i will give you my book. 7. my classmates need more time to perform this test. 8. you do not need to tell her about it, she already knows everything. 9. this friday i need to meet tom. 10. do i need to attend this school club? 11. he does not need to bring this great book to school: it can be taken from the teacher. 12. for this dance we need to wear comfortable shoes. 13. you don't have to hurry. 14. she don't to go there: there is nobody there. 15. i do not need to train anymore: the competition has already ended