There are many more ways to give your opinion than just saying, "I think…" Let's practice some.

Business: How to give your opinion

Example: I think you should go back to your original plan.

Example: I feel very proud to be a part of the team.

Example:  I believe that your business will thrive more this year.

Example: Good marketing campaign if you ask me.

Example: As far as I'm concerned, a good online shopping site should be easy to use.

Example: I'd love to hear your thoughts on the matter in the comments.

Example: My personal opinion is that a stadium would be great.

Example: I am of the opinion that politicians should have principles, but he obviously is not.

Example: It is my view that he was a remarkable prime minister and, indeed, a quite remarkable man.