Here are some common time expressions used with each tense:
1. Present Simple:
- Always
- Usually
- Sometimes
- Every day/week/month/year
- On Mondays/Tuesdays/etc.
- In the morning/afternoon/evening
- Once a week/month/year
2. Present Perfect:
- Just
- Already
- Yet
- Ever
- Never
- So far
- Recently
- Lately
- In the last few days/weeks/months/years
3. Present Continuous:
- Now
- At the moment
- Currently
- Right now
- Today
- This week/month/year
- At present
- Nowadays
These expressions are commonly used to indicate when an action or event is happening or has happened in relation to the present moment.