Which is the correct passive form?

to do
1. is done
2. is do
3. is does
to ask
1. am asks
2. am ask
3. am asked
to call
1. is called
2. are calls
3. is calls
to read
1. is read
2. is reads
3. is reading
to watch
1. is watch
2. is watched
3. was watch
to cut
1. was cuts
2. was cut
3. was cutting
to buy
1. were bought
2. were buy
3. were buyed
to sell
1. is sell
2. was sell
3. was sold
to answer
1. were answered
2. were answers
3. were answering
to write
1. are write
2. are written
3. are writes