I brushes my teeth every day .这句话中的brush为什么要加es?

I brushes my teeth every day .这句话中的brush为什么要加es? 什么时候用always,often,usually,sometimes,seldom,rarely,never,请详细说明,He always brushes his teeth after meals.She ____brushes her teethThey ___brush their teeth.He ____brushes his teeth.She ___brushes her teeth.I brush my teeth.I ___brush My brother brushes his teeth and w____ his face My brother brushes his teeth and w____ his face I brush my teeth and wash my face.判断正误 I brushes my teeth once a day.是对还是错是Sally brush her teeth and wash my face I'm washing my face and brushes my teeth.——— ——— ——— ————哪个错了? 1.How often does your father brush your teeth?2.How many people are there in your family?3.I my teeth twice a day.but my brother his teeth once a day.a.brushrushes b.brushesrush c.brushrush4.do you visit your grandma?Once a week.a.How old b.How My father brushes his teeth at seven forty a.m..改My father brushes his teeth at seven forty a.m..改为一般疑问句? 改为否定句 1.My brother has dinner.2.My sister brushes her teeth. Brush her teeth,还是Brushes her teeth brushes his teeth 改为原形 brushes her teeth怎么读汉语 He brushes his teeth every day[否] I'm going to go brush my teeth 还是 I'm going to brush my teeth Yang Ling usually brushes her teeth after she gets he brushes his teeth and has a 3Q He brushes his teeth twice a day .用twice提问 he brushes his teeth in the morning改为否定句