Jawaban:

1. Simple present tense: The simple present tense is used to describe actions that are habitual or factual, or generally true. It is also used to express future events that are scheduled.

Example:

• I eat breakfast every morning.

• The sun rises in the east.

• The train leaves at 9 a.m. tomorrow.

2. Present continuous tense: The present continuous tense is used to describe actions that are happening right now or around the current time. It can also be used to describe actions that are in progress but not necessarily happening at the moment of speaking.

Example:

• I am eating breakfast right now.

• She is working on her project this week.

• They are walking to the store at the moment.

3. Present perfect tense: The present perfect tense is used to describe actions that started in the past and continue up to the present, or actions that were completed in the recent past but the exact time is not specified.

Example:

• I have lived in this city for 5 years.

• They have already seen that movie.

• She has worked at that company since 2010.

4. Present perfect continuous tense: The present perfect continuous tense is used to describe actions that started in the past and are still ongoing, or actions that were recently completed but have a connection to the present.

Example:

• I have been studying English for 2 hours.

• She has been working on her project all day.

• They have been playing basketball since 3 p.m.

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