[Grammar] as much/many as

[persianfriend71]

Hi. Are these sentences are correct?
1. Tom has twice as many DVDs as I have.
2. They try to give them as much freedom as they can.
3. Hooman makes as much money as Soheil but not as much as Roozbeh.

 

[Charlie Bernstein]

Hi. Are these sentences [STRIKE]are[/STRIKE] correct?
1. Tom has twice as many DVDs as I have.
2. They try to give them as much freedom as they can.
3. Hooman makes as much money as Soheil but not as much as Roozbeh.

Yes.

 

[Tdol]

Some would put a comma after Soheil.