英语单词改错（急!帮帮忙!）Mike spends about three hours to play computer

Mike spends about three hours to play computer games every day.
spend time doing,花时间做.把to play改为playing.
If robots do all the houseworks for us,we'll have more free time to relax.
houseworks把s去掉,它是不可数名词.
My teacher told me cleaned the classroom after class.
tell sb to do,告诉某人去做.把cleaned改为to clean.
There will have an English Evening next Sunday.
there be,有.把have改为be.
You need not to go with me unless you are free now.
neen't do,不必做.把to去掉.