1.我爱你. I love you
2.我正在吃饭. I’m having a meal now.
3.他不是一个学生. He isn’t a student.
4.我是一个老师. He is a teacher.
5.他正在唱歌. He is singing.
6.他在游泳. He is swimming.
7.他喜欢游泳. He likes swimming.
8.他会唱歌. He can sing.
9.他正在唱歌. He is singing.
10.他的爸爸是一个医生. His father is a doctor.
11.他的爸爸在美国. His father is in USA:
12.我正在洗澡. I’m talking a bath.
13.他正在睡觉. He is sleeping.
14.你的姊姊在骑脚踏车. Your sisther are riding the bike.
15.你的姊姊每天骑脚踏车上学. Your sisther goes to school by bike very day.
修改完毕,注意第三人称单数