文法篇

1. 主詞為第三人稱單數(He, She)時:

要使用單數動詞

He (She) has a dog at home.

She likes birds.

改成疑問句要用助動詞does

Does he have a dog at home?

Does she like birds?

2.其它主詞(如I , You, We, They)時:

使用一般動詞

You have a turtle.

They like  rabbits.

改成疑問句要用助動詞do

Do you have a turtle?

Do they like rabbits?