Задайте разные типы вопросов к предложениям, поставьте предложения в отрицательную форму:

1) Mary and her friends are playing basketball now.

2) Their children are always making noise in the apartament.

3) They make experiments in the laboratory.

Mary and her sister arent playing basktball now

what are mary and her sister doing

when are they playing basketball

who is playing basketball

marry and her sister are playing basketball now, arent they

thier children arent always making noise in the apartment

what are doing thier children

who is making noise

their children are making noisein the apartment, arent they

they dont make experiments in the labarotory

who makes experiments in the labarotory

where do they make experiments

they make experiments in the labarotory, dont they