Ⅲ. 看图写话
1. now

2. yesterday

3. there be

4. carefully, when

5. if, sunny

1. She is playing the piano now.
2. He played basketball yesterday.
3. There is a cat on the table.
4. We should listen carefully when the teacher is talking. / We should listen to the teacher carefully when having a class.
5. They will have a picnic in the park if it is sunny.

【分析】
本题为看图写话，需结合给出的提示词及对应语法要求造句：1. 提示词now需用现在进行时；2. 提示词yesterday需用一般过去时；3. 提示词there be需遵循就近一致原则；4. 提示词carefully和when需构造含时间状语从句的句子，副词修饰动词；5. 提示词if和sunny需构造含条件状语从句的句子，遵循主将从现规则。
【解析】
1. 用now作时间状语，采用“主语+am/is/are+动词现在分词”的现在进行时结构造句；2. 用yesterday作时间状语，动词用过去式构造一般过去时句子；3. there be句型根据就近原则确定be动词形式；4. when引导时间状语从句，carefully修饰动词；5. if引导条件状语从句，遵循“主将从现”原则（主句将来时，从句一般现在时）造句。
【答案】
1. She is playing the piano now.
2. He played basketball yesterday.
3. There is a cat on the table.
4. We should listen carefully when the teacher is talking. / We should listen to the teacher carefully when having a class.
5. They will have a picnic in the park if it is sunny.
【知识点】
现在进行时、一般过去时、there be句型、时间状语从句、条件状语从句
【点评】
本题为基础看图写话题，考察时态运用与常用句型构造，贴近日常表达，适合巩固基础语法知识。
【难度系数】
0.7