I preset my alarm clock.
I preset the clock so my alarm would go off
I could (possible) tell you, but I can (for sure)'t.
tell it it won the lottery
I will tell the teacher to expel you if you do that again.
I could tell that you were nervous by the perspiration on your brow.
I could tell you, but I'm being uncooperative.
Well, for starters you just used sundial in a sentence. But another sentence could be... Sundials help you tell time.
I do not have a word or a sentence but you could start of by making her laugh and be cocky and after you have her attention,you say that"I have something to tell you".
What are you talking about? The drive takes about an hour. The dog could tell there were rabbits about.
Lots of companies have an individual slogan.
We could tell the solution was an acid by reading the pH scale.
I could tell by the way the teacher was scowling that I didn't have the right answer.