Unit 3 现在进行时专练 2025-2026学年沪教版七年级英语下册

Unit 3 现在进行时 一、基础辨识：现在进行时核心结构 1. 写出现在进行时的核心结构：________ + ________（提示：be动词+动词-ing） 2. 判断下列句子是否为现在进行时，若为是，圈出“be+doing”结构；若否，说明时态及判断依据 · They are planting young trees in the community.（是/否）________ 依据：________ · Trees provide oxygen for humans every day.（是/否）________ 时态：________ 依据：________ · Look! The students are making posters about protecting trees.（是/否）________ 依据：________ · My father trims the branches of the big tree once a month.（是/否）________ 时态：________ 依据：________ · We are not cutting down any trees because they are important.（是/否）________ 依据：________ 二、精准填空：形式与语境应用 （一）be动词填空 1. The volunteers ________ (be) planting saplings along the road now—many people are helping them. 2. —________ your teacher ________ (talk) about how to take care of trees in class? —Yes, we are taking notes carefully. 3. He ________ (not be) destroying the forest. He is just collecting dry leaves for compost. 4. Look! The children ________ (be) carrying water to water the newly planted trees. 5. I ________ (be) learning how to make a birdhouse to put in the tree. It’s meaningful. （二）动词-ing形式填空 1. The workers are ________ (water) the trees in the park every afternoon these days.（直接加-ing） 2. She is ________ (tie) a stick to the weak sapling to keep it straight.（双写尾字母加-ing） 3. They are ________ (protect) the young trees from being damaged by animals.（直接加-ing） 4. My brother is ________ (trim) the overgrown branches to let more sunlight through.（双写尾字母加-ing） 5. The students are ________ (create) colorful signs to remind people not to climb trees.（去e加-ing） 三、语境辨析：单项选择 1. —What ________ you ________ now? —I ________ looking for information about tree-planting activities.（现在进行时疑问句结构） A. do; do; am B. are; doing; am C. are; do; am D. do; doing; am 2. —Listen! Someone ________ in the forest. —It must be the workers. They are cutting dry wood for safety.（时态标志词辨析） A. cut B. cuts C. is cutting D. will cut 3. My mother ________ the flowers now. She ________ the plants every morning.（现在进行时与一般现在时区别） A. is watering; waters B. waters; is watering C. is watering; is watering D. waters; waters 4. —________ your sister ________ in the tree-planting activity this weekend? —Yes, she is. She is preparing tools now.（现在进行时一般疑问句） A. Does; join B. Is; joining C. Do; join D. Are; joining 5. We ________ not ________ the old tree. It’s a protected tree in our community.（现在进行时否定句） A. do; cut B. are; cutting C. will; cut D. did; cut 6. —Why ________ the students ________ so quietly around the tree? —Because they are watching a bird building a nest.（语境逻辑与时态） A. do; talk B. are; talking C. did; talk D. will; talk 7. The students ________ trees on the hill these days. They want to make the hill greener.（现在进行时表持续活动） A. plant B. are planting C. planted D. will plant 8. —Is Tom ________ the dead leaves under the tree? —Yes, and he ________ it every autumn to keep the ground clean.（现在进行时与一般现在时对比） A. collect; collects B. collecting; collects C. collecting; is collecting D. collect; is collecting 四、易错点改错：针对性突破 1. They are water the young trees in the schoolyard. 错误：________ 改正：________（-ing形式变化错误） 2. Look! The boy is tie a rope to the tree to support it. 错误：________ 改正：________（双写尾字母错误） 3. My father not is cutting down the tree. He is repairing the fence beside it. 错误：________ 改正：________（否定句结构错误） 4. She is create a poster to tell people the importance of trees. 错误：________ 改正：________（去e加-ing错误） 5. We planting some new trees in our community with our teachers now. 错误：________ 改正：________（遗漏be动词） 6. The students are not pick up rubbish around the trees. They are cleaning the path. 错误：________ 改正：________（-ing形式遗漏） 7. He is trim the branches of the apple tree to help it grow better. 错误：________ 改正：________（双写尾字母错误） 8. Are you plant trees this afternoon? No, we are going to clean the park first. 错误：________ 改正：________（时态混淆） 五、单元主题语篇填空：综合应用 Today is Tree Planting Day. Many people are taking part in tree-planting activities in the city park. Look! A group of students ________ (work) hard. Some ________ (dig) holes with shovels. It’s not easy, but they don’t give up. Others ________ (carry) saplings to the holes and putting them in carefully. A teacher ________ (show) them how to cover the roots with soil properly. Some girls ________ (not plant) trees now. They ________ (make) signs that say “Protect Trees” to put beside the new saplings. A few volunteers ________ (water) the newly planted trees. Everyone ________ (enjoy) the activity. They believe that with their efforts, the city ________ (become) greener and more beautiful. We should also do our part to protect trees, because they are our silent friends. 参考答案&考点解析 一、基础认知 1. be; doing 2. 是；圈出“are planting”；依据：有be动词are+planting，表现在正在进行的动作 否；一般现在时；依据：every day是一般现在时标志词，表经常性动作 是；圈出“are making”；依据：Look!是现在进行时标志词，be动词are+making表正在进行 否；一般现在时；依据：once a month是一般现在时标志词，表经常性动作 是；圈出“are not cutting”；依据：be动词are+not+cutting，表现在正在进行的否定动作 二、精准填空 （一）be动词填空 1.are 2. Is; talking 3. isn’t 4. are 5. am （二）动词-ing形式填空 1.watering 2. tying 3. protecting 4. trimming 5. creating 三、语境辨析 1. B 解析：现在进行时疑问句结构为“Are+主语+doing”，答句用“am+doing”，故选B 2. C 解析：Listen!是现在进行时标志词，主语someone为单数，用is cutting，故选C 3. A 解析：now提示现在进行时，用is watering；every morning提示一般现在时，用waters，故选A 4. B 解析：答句用is，问句用Is+主语+joining，故选B 5. B 解析：现在进行时否定句结构为“are+not+doing”，故选B 6. B 解析：语境表现在正在进行的动作，用are talking，故选B 7. B 解析：these days提示现在进行时表持续活动，用are planting，故选B 8. B 解析：问句Is提示现在进行时，用collecting；every autumn提示一般现在时，用collects，故选B 四、易错点改错 1.water→watering 2. tie→tying 3. not is→isn’t 4. create→creating 5. planting→are planting 6.pick→picking 7. trim→trimming 8. plant→planting 五、单元主题语篇填空 are working; are digging; are carrying; is showing; aren’t planting; are making; are watering; is enjoying; will become 学科网（北京）股份有限公司 $