posted by rfvv .
1. Ann commanded/ordered that he (should) go there.
2. Ann suggested/proposed that he should join the club.
3. Ann insisted that he (should) wash the car.
4. Ann requested that he (should) go see a doctor.
5. Ann decided/determined that he (should) go to Chicago with her.
6. Ann desired that he (should) come back early.
(Are they all grammatical? Can we omit 'that' in each sentence?)
Leaving "that" in is fine.
Omit "should" from all of the sentences.