句型转换we are going to have some lessons next week .改成否定句we ___

句型转换
we are going to have some lessons next week .改成否定句
we ____ going to have _____ lessons next week.
i am going to do the things i want to do in the future .同义句
iam going to do ______ i want to do in the future .
i want to buy my parents a big house .同义句
i want to buy a big house _____ my parents.