1. I demanded that he should give me the money.
2. I suggested that we should go on a picnic tomorrow.
3. He insisted that she should join the club.
4. I demanded that he give me the money.
5. I suggested that we go on a picnic tomorrow.
6. He insisted that she join the club.
( Are they all grammatical? The other three sentences don't have 'should.')
1 answer
The sentences without "should" are fine. Adding the word "should" is unneeded since these sentences include subjunctive clauses anyway.