这三种表达都可以的.
严格来说,set sth. aside for sth. 或 set sth. aside to do sth. 正确,但是宾语sth.过长时,就会放在aside 之后.
如:
You may set aside money for a vacation or a new home.
I set aside half an hour every evening to hear Erik read.
He’d set aside some money in an account for his kids.
You should set aside enough money so that if you lose your income, you can survive.