"I imagine she earned a lot of money with her new novel"
"I thought to find her in a bad state"
"he didn't think to find her in the kitchen"
"I guess she is angry at me for standing her up"
"I am guessing that the price of real estate will rise again"
"I cannot pretend to say that you are wrong"
"I estimate this chicken to weigh three pounds"
"He guessed the right number of beans in the jar and won the prize"