Hello, little friends! 今天我们要一起来学习一个非常有趣的英语语法知识——现在进行时。现在进行时主要用来描述正在发生的事情或动作。它的结构是“be动词（am/is/are）+ 动词-ing形式”。让我们通过一些有趣的例子和练习来掌握它吧！

现在进行时的基本结构

- I am reading a book. （我在读书。）

- She is playing with her toys. （她在玩她的玩具。）

- They are eating dinner. （他们在吃晚饭。）

练习题

1. 填空题：

- Look! The cat _________ (sleep) on the chair.

- What are you _________ (do) right now?

- She _________ (not watch) TV; she is reading.

2. 选择题：

- Which sentence uses the present continuous tense correctly?

a) I go to school every day.

b) She is writing a letter.

c) They eat lunch at noon.

3. 造句练习：

- Use the verb "run" in the present continuous tense:

_______________________________________

- Write a sentence about what your friend is doing right now:

_______________________________________

小提示

记住，现在进行时通常会伴随着一些表示正在进行的动作的词汇，比如“look”、“listen”、“right now”等。

希望这些练习能帮助你更好地理解并运用现在进行时！继续加油哦，小朋友们！