- I hardly ever take a bus.
- I hardly take a bus.
- He hardly ever goes fishing.
- He hardly goes fishing.
- I hardly (ever) think about him these days.
- I hardly think about him these days.
Please check those sentences.
If you find wrong, please correct and explain the reasons.
#2 seems strange to me. In this case “hardly” means “to a small degree/extent”, and you can’t really “take a bus” to a small degree/extent. #4 seems slightly unusual, though not actually wrong. The others all seem OK.