三、照例子写一写。
1.
play the piano
She is playing the piano.
2.


3.


4.


5.


6.

2. watch insects
They are watching insects.
3. catch butterflies
She is catching butterflies.
4. wash the clothes
She is washing the clothes.
5. swing
They are swinging.
6. draw pictures
They are drawing pictures.

【分析】本题要求仿照例子，将动词短语转换为现在进行时的句子。解题思路：1. 明确例子结构：原短语为动词短语，转换后需符合“主语+be动词+动词现在分词+其他”的现在进行时句式；2. 确定每个小题对应的动词短语；3. 根据短语内容选择合适主语（如She/They），搭配对应be动词（is/are）；4. 按规则将动词变为现在分词，最终组成完整句子。
【解析】2. 对应动词短语为watch insects，选主语They，be动词用are，watch的现在分词为watching，组成句子：They are watching insects.
3. 对应动词短语为catch butterflies，选主语She，be动词用is，catch的现在分词为catching，组成句子：She is catching butterflies.
4. 对应动词短语为wash the clothes，选主语She，be动词用is，wash的现在分词为washing，组成句子：She is washing the clothes.
5. 对应动词短语为swing，选主语They，be动词用are，swing的现在分词为swinging，组成句子：They are swinging.
6. 对应动词短语为draw pictures，选主语They，be动词用are，draw的现在分词为drawing，组成句子：They are drawing pictures.
【答案】2. watch insects；They are watching insects.
3. catch butterflies；She is catching butterflies.
4. wash the clothes；She is washing the clothes.
5. swing；They are swinging.
6. draw pictures；They are drawing pictures.
【知识点】现在进行时，动词短语，动词现在分词变化
【点评】本题为英语基础时态转换练习，通过仿照例子巩固现在进行时的核心结构，需掌握动词现在分词的变化规则，属于小学英语的基础题型，帮助学生夯实时态运用能力。
【难度系数】0.6