Phrases for giving opinions: I think, In my view, I believe
Opinion phrase + statement
I don't think that's a good idea.
Do you think we should go?
💡 Use opinion phrases to make clear you're expressing a personal view, not stating a fact.
✓I think the blue one looks better.
✗The blue one looks better. (stated as fact)
'I think' makes clear this is an opinion.
✓In my opinion, we should wait.
✗In my opinion we should wait.
Use comma after opinion phrases at the start.
✓I don't think we should go.
✗I think we shouldn't go.
Negative usually goes with 'think', not the main verb.