1.本课课程的核心句是It rained yesterday. Yes, and it'll rain again tomorrow. It snowed yesterday. Yes, and it'll snow again tomorrow. She left yesterday. Yes, and she'll leave again tomorrow.
2.本课课程的核心句是He got up late yesterday. Yes, and he'll get up late again tomorrow. They arrived at the airport yesterday. Yes, and they'll arrive at the airport again tomorrow. He finished work late yesterday. Yes, and he'll finish work late again tomorrow.
3.本课课程的核心句是They had a holiday yesterday. Yes, and they'll have a holiday tomorrow. They drove home late yesterday. Yes, and they'll drive home late again tomorrow. She had a haircut yesterday. Yes, and she'll have a haircut again tomorrow.