Examples of using "Tietäisit" in a sentence and their english translations:
Don't act like you know everything.
- I just asked because I thought you would know.
- I just asked because I thought that you would know.
What would you attempt to do if you knew you could not fail?
If only you knew how much I do to keep this roof over our heads.
You'd be amazed how often Tom doesn't do his homework.
If you knew all the circumstances I am sure that you would forgive me.