时态侦探
下面句子用了什么时态？I play football every Sunday.
一般现在时 (Simple Present)
将下列句子改为过去式：I go to school every day.
I went to school yesterday. / I went to school every day last year.
I ________ (visit) my grandma every Sunday.
visit
请说出一个与旅行有关的英文单词
(可接受任何合理答案，如：trip / travel / journey / holiday / suitcase / airport / ticket / hotel)
请说出一个与环保有关的英文单词。
(可接受任何合理答案，如：recycle / protect / environment / nature / clean / green / save)
下面句子用了什么时态？She visited her grandparents last weekend.
一般过去时 (Simple Past)
将下列句子改为现在完成时：She eats lunch at 12:00.
She has already eaten lunch.
We ________ (go) to Japan last summer.
went
请说出一个与节日有关的英文单词。
(可接受任何合理答案，如：festival / celebration / parade / fireworks / mooncake / costume / carnival)
请说出一个与休闲活动有关的英文短语。
(可接受任何合理答案，如：play football / listen to music / watch TV / go hiking / read books)
下面句子用了什么时态？They have already finished their homework.
现在完成时 (Present Perfect)
将下列句子改为过去进行时：He does his homework at 7 p.m.
He was doing his homework at 7 p.m. last night.
She ________ already ________ (finish) her project.
has finished
翻译成中文：I went to Thailand with my family during Chinese New Year.
春节期间我和家人去了泰国。
翻译成中文：We should recycle plastic bottles to protect the environment.
我们应该回收塑料瓶以保护环境。
下面句子用了什么时态？I was reading a book when he called me.
过去进行时 (Past Continuous)
将下列句子改为过去完成时：I finished my homework. Then I watched TV.
After I had finished my homework, I watched TV. / I had finished my homework before I watched TV.
While I ________ (sleep), my mom ________ (wake) me up.
was sleeping / woke
翻译成英文：我已经去过三次北京了。
I have been to Beijing three times.
翻译成英文：我通常周末和朋友去骑单车。
I usually go cycling with my friends on weekends.
下面句子用了什么时态？By the time we arrived, the movie had already started.
过去完成时 (Past Perfect)
将下列句子同时改为过去进行时和过去完成时：She cooked dinner. Then her friends came.
She was cooking dinner when her friends came. / She had already cooked dinner before her friends came.
When we ________ (arrive), the party ________ already ________ (start).
arrived / had started
翻译成英文：当烟花在天空中绽放时，人们正在街上跳舞。
People were dancing in the streets when fireworks lit up the sky.
翻译成英文：我们种了树，所以公园现在变得更美了。
We have planted trees, so the park has become more beautiful now. / We planted trees, so the park is more beautiful now.