一般过去时用于描述在过去某个特定时间发生的动作或状态，通常与时间状语如yesterday, last week, in 1993等连用。以下是一般过去时的肯否例句：

肯定句：

1. I missed my flight yesterday.

2. She played soccer yesterday.

3. The sun shone brightly yesterday.

4. I worked hard yesterday.

否定句：

1. I didn't arrive there in time.

2. They didn't go to the movies last night.

3. I didn't eat dinner yesterday.

4. She didn't speak English.

一般疑问句：

1. Did you miss your flight yesterday？

2. Did she play soccer yesterday？

3. Did the sun shine brightly yesterday？

4. Did you work hard yesterday？

特殊疑问句：

1. Why did everyone look at me with a surprised expression？

这些例句展示了如何在不同的语境中使用一般过去时来描述过去的动作或状态。肯定句中，动词需要加上-ed或变化后的不规则动词过去式，而否定句中则使用助动词did not，后面跟动词原形。一般疑问句和特殊疑问句则通过Did引导，询问过去发生的动作或状态。