Change the following sentences to use the subjunctive mood
1) Helen doesn't sing or play the violin, so she can't take part in the concert.
2) The crew doesn't train for the competition. They'll lose.
3) I am not happy because my favorite team doesn't score.
4) The police don't work well, so thieves steal children's bikes.
5) People don't go in for sport and they often fall ill.
6) Bob doesn't train hard and he can't set a record.
7) I don't have money and I can't buy skates.
8) Bob doesn't have tools and he can't repair your TV set.

только в 5 don't

можно и с don't

Точнее да , нужно с don't

1) Helen could have taken part in the concert, if she could sing or could play the violin. 2) The crew will lose the competition if they won't train. 3) I would be happy if my favorite team would score. 4)if the police worked well, thieves wouldn't steal children's bikes. 5)people often fall ill if they do go in for sport. 6) Bob would set a record if he would train hard. 7) If I had money I would have bought skates, 8) if bob had tool he would have been able to repair you TV set.