1.I don't eat an egg every morning.
2.She doesn't wants to U.S.A next year.
3.He doesn't feels very sad on Sunday.
4.I don't wash my hands before eating.
5.She doesn't often plays the guitar.
6.Mrs.Li doesn't lives in China everyday.
7.They don't want have English class.
很简单啊,上面的都是一般现在时.改为否定句,只要在第一人称(I)或者复数(THEY)后+don't:第三人称(HE/SHE)后+doesn't.那么就O了!