1 I guess it's going to rain.

2 Guess who I bumped into yesterday?

3 I guess he is a business tenderfoot.

4 Just guess what is in the parcel.

5 I can only guess the reason.

6 Your guess is as good as mine.

7 Can you guess the height of the tree?

8 Our guesses were way off beam.

9 I'd guess she's in her twenties.

10 Can you guess the inner meaning of this poem?

11 If your happiness depends on what somebody else does,(www.Sentencedict.com) I guess you do have a problem. Richard Bach 

12 'I guess you guys don't mind if I smoke?' he drawled.

13 Guess which number of the following sequence is the odd one out.

14 'What's that thing in the middle of the fountain?'--'Some kind of statue, I guess.'.

15 You'll never guess the answer - do you give up?

16 Is what you say a guess or have your proof?

17 I didn't know the answer, so I had to guess.

18 Estimating the right cooking time will always be an educated guess.

19 Sound symbolism means that we can often guess the meaning of a word from its sound.

20 There are no prizes for guessing who she was with.

21 I'm a pretty good guesser.

22 They are good guesser who look for clue and form their own conclusions.

23 Unless I am a bad guesser we'll have Banneker back here by evening.

24 How good a guesser would you have to be to get the sequence EXACTLY correct?

25 Since the guesser goes through a similar process, the players form a system of mutual second - guessing.

26 In the penny jar example, participants were told that the correct guesser would win all the money.