Сделайте эти предложения отрицательными. 1) Mrs Martin had had breakfast by

Сделайте эти предложения отрицательными.
1) Mrs Martin had had breakfast by ten.
2)Kevin's brother had broken his bicycle.
3)Fred had learnt the poem by heart.
4)We had finished everything by six.
5)Martin had been to London.
Пожалуйста помогите.
спасибо !!!