we mustn't cut down forests.(改为祈使句)
We mustn't cut down forests 句型转化We ____ ____to cut down fore
People mustn't cut down the forests.
We mustn't cut down trees from now on.(改为祈使句) ___
we mustn't pollute rivers or cut down forests.we should try_
1.We mustn't cut down so many trees!What a pity we can't see
The worker cut down the trees in this forests.(改为否定句)
You mustn't waste any time.(改为否定祈使句)
You mustn't swim in the sea.(改为祈使句)
You mustn't smoke here.(改为祈使句)
You mustn't talk class.(改为祈使句)
You should be quiet .(改为祈使句) You mustn’t smoke hero.(改为祈使句)
把这句英语改为祈使句You mustn't play in the classroom.(改为祈使句)