negative auxiliaries kontrola

which negatives have an extra syllable?
1. do don´t
2.have haven´t
3. does doesn´t
4. can can´t
5. will won´t
6. did didn´t
7. was wasn´t
8.were weren´t
9. are aren´t
10. has hasn´t


moje odpovědi:
1. no
2. yes
3. yes
4. no
5. yes
6. yes
7.yes
8.no
9. no
10. yes

mám to dobře???