以下是56条原创的初中英语现在完成时典型例句，覆盖基础结构、时间状语、持续动作、经验总结等核心用法场景，句子贴近初中生生活实际且语法严谨：

基础结构（have/has + 过去分词）

I have finished my math homework already.

She has lived in this city since 2018.

They have visited the science museum twice this month.

My father has just fixed the broken bike.

We have learned over 500 English words this term.

时间状语（already/yet/just/ever/never）

Have you ever tried Sichuan hotpot? It’s very spicy!

The movie hasn’t started yet. Let’s buy some popcorn first.

He has just called his mother to say he’ll be late.

I have never seen such a beautiful sunset before.

We have already prepared all the materials for the experiment.

持续动作（since/for）

My grandparents have lived in the countryside for 40 years.

She has studied piano since she was six years old.

They have waited at the bus stop for 20 minutes.

I have known my best friend since primary school.

The library has been open since 8:00 this morning.

经验与经历

Tom has traveled to five different countries in Europe.

Our class has won the basketball match three times.

I have read all the books written by J.K. Rowling.

Have you ever ridden a horse? It’s quite exciting!

My uncle has climbed Mount Tai twice in his life.

过去动作对现在的影响

The rain has stopped. Let’s go out for a walk.

I have lost my keys. Can you help me look for them?

She has eaten too much chocolate, so she feels sick now.

We have finished the project, so we can relax this weekend.

The teacher has explained the grammar rule, but I still don’t understand.

重复动作（次数）

My brother has watched this cartoon four times this week.

I have called you three times, but you didn’t answer.

They have visited their grandparents twice a month this year.

The team has practiced the dance routine 20 times today.

How many times have you been late for school this term?

否定句与疑问句

He hasn’t finished his homework, so he can’t play games.

Have you cleaned your room yet? Mom will check it soon.

We haven’t seen each other since last summer vacation.

Has the mailman come yet? I’m waiting for an important letter.

They haven’t bought any gifts for the party. What should we do?

地点与状态变化

The old park has become a modern shopping mall.

My hometown has changed a lot in the past ten years.

This store has moved to a bigger location near the station.

The small village has developed into a popular tourist spot.

She has moved to London, so we can only chat online now.

自然现象与环境

The river has dried up because there hasn’t been rain for months.

The temperature has dropped by 10 degrees since yesterday.

Many trees have been planted in our school this year.

The air quality has improved a lot since the new policy started.

The mountain has been covered with snow since last week.

学习与技能

I have learned to swim, but I still can’t dive.

She has memorized all the new words in this unit.

We have practiced the English dialogue many times, so we can speak fluently now.

My sister has improved her drawing skills since she joined the art club.

Have you finished reading the novel? I want to borrow it.

生活琐事

I have washed all the dishes, so you can set the table.

She has cut her hair short. Do you like her new look?

They have bought a new car. It’s red and very fast.

My mom has baked a cake for my birthday. It smells delicious!

We have run out of milk. Can you buy some on your way home?

The cat has caught a mouse, so the kitchen is safe now.

这些例句覆盖了现在完成时的核心用法，结合具体场景帮助理解“过去发生的动作与现在的关联”。通过时间状语、动作影响、持续状态等维度的练习，能更清晰地掌握这一时态的应用逻辑。你觉得哪些场景下最容易混淆现在完成时和一般过去时？可以结合例句进一步分析哦！