现在时

- The sun rises every morning.

- The cat sleeps on the sofa.

现在完成时

- She has finished her homework.

- They have traveled to three countries.

一般过去时

- He played football yesterday.

- The movie started at 7 PM.

一般将来时

- We will call you later.

- The meeting starts at 10 AM.

祈使句

- Open the window, please.

- Help me with this problem.

含否定句

- The cake tastes delicious.

- He did not （didn't） finish the task.

含条件句

- If it rains, we will cancel the picnic.

- Whenever she calls, I will answer.

含被动语态

- The letter was written by my friend.

- The cake was eaten by everyone.

含比较级

- This movie is better than the last one.

- She is taller than her sister.

含最高级

- This is the tallest building in the city.

- He is the smartest student in the class.

这些句子覆盖了主谓结构在不同语境下的应用，包括时态变化、语气表达和语法功能。通过练习这些句子，可以巩固主谓结构的基本规则。