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Do you know what tense(时态) do we use?
Learning aims
1.
2.
3.
Be的变化规律
Be构成的句式
综合训练
总结归纳
语言运用，看我的！
Language in use
勇敢展示，积极回答！
Presentation
疑难突破
I am a teacher.
I ____a student.
5 years ago
5年前
was
She is old.
She ____young.
before
之前
was
They are students.
They _____ students.
were
2019
1961
原形