напишите по англиски 
1 он умеет плавать  ...................................
2 он не умеет петь .....................................
3она обязана помогать своему другу ...............................
4ей нельзя есть ветчину...............................................
5 нам нельзя пить кофе...................................................

1 He can swim 2 He can not sing3 She must help his friend4 She can not eat ham  5 We can not drink coffee

1) he can swim2) he can't sing3)she must help her friend4) she can't eat ham5) we mustn't drink coffee