很高兴能够在这里回答你的问题,
①I think he is not a soldier
I don't think he is a soldier
②we went to school from Monday to Saturday last week
we went to school excep Sunday last week
③How many shoes were there in the shop two days ago
How many shoes were there in the shop the day before yesterday?
或
How much were the shoes in the shop two days ago?
或
What was the number of the shoes in the shop two days ago?