以下是一些使用was的例句：
·一般過去時：He was walking down the street when he saw a strange man. 他正在街上走，突然看到了一個陌生人。
·過去進行時：She was studying for her exams when I called her. 我打電話給她的時候，她正在為考試複習。
·過去完成時：He was exhausted after he had finished his work. 他完成工作後非常疲憊。
·虛擬語氣：If I were you, I would take a break. 如果我是你，我會休息一下。請注意，這裡使用了were，但在非正式英語中，was也常被用於這種虛擬語氣的構造。
以下是幾個簡單的was造句示例，適合小學生水平：
She was happy to see her friends. 她很高興見到她的朋友們。
The cat was playing with a ball. 那隻貓正在玩球。
He was hungry after school. 放學後他很餓。
Yesterday, I was at the park. 昨天我去了公園。
The movie was boring. 那部電影很無聊。
以下是幾個適合六年級水平的was造句：
The book was interesting until the end. 那本書一直很有趣，直到結尾。
She was not only smart, but also kind. 她不僅聰明，而且善良。
The concert was amazing! 那場音樂會太棒了！
He was late for class again. 他上課又遲到了。
The weather was perfect for a picnic. 那天的天氣非常適合野餐。