want 一般用于一般现在时和过去时。
例句
Do you want some chocolate?
你想吃点巧克力吗？
Theres seconds if you want them.
你想要的话还有。
I want to change my doctor.
我想另找一位医生看病。
He didn\'t want to antagonize her.
他不想使她对自己产生敌意。
Now they want to tax food!
他们竟然要对食品收税！
Do you want anything else?
你还想要点别的什么吗？
