This document is a grammar worksheet about using the verb "to be" in past tense forms. It contains exercises for students to fill in the correct forms of "am, is, are" and change sentences to the past tense. The worksheet has sections to practice the present and past tense forms of "to be" as well as changing example sentences into the past tense.

1. Be 動詞動去式 Grammar Worksheet Class: ____ No. ____ Name: ____________
A. 請填入正確的 Be 動詞（am, is, are）
I ________ happy. Lisa ________ sad. We ________ amazed.
They ________ scared. You ________ nervous. Jimmy ________ bored.
B. 請填入正確的Ｂe 動詞過去式
Be 動詞現在式 Be 動詞過去式 Be 動詞過去式（否定）
am
is
are
C. 請將句子改成過去式
1. Is Helen excited? Yes, she is. ______________________________________________
2. Are you angry? No, I’m not. ________________________________________________
3. Are you bored? Yes, we are. ________________________________________________
4. Is Eve scared? No, she isn’t. ________________________________________________
Be 動詞動去式 Grammar Worksheet Class: ____ No. ____ Name: ____________
A. 請填入正確的 Be 動詞（am, is, are）
I ________ happy. Lisa ________ sad. We ________ amazed.
They ________ scared. You ________ nervous. Jimmy ________ bored.
B. 請填入正確的Ｂe 動詞過去式
Be 動詞現在式 Be 動詞過去式 Be 動詞過去式（否定）
am
is
are
C. 請將句子改成過去式
1. Is Helen excited? Yes, she is. ______________________________________________
2. Are you angry? No, I’m not. ________________________________________________
3. Are you bored? Yes, we are. ________________________________________________
4. Is Eve scared? No, she isn’t. ________________________________________________