1, Pigs may fly, but they are very unlikely birds. 

2, It is unlikely that she will come.

3, It is unlikely to rain/that it will rain.

4, The project seemed unlikely to succeed.

5, Did he walk or swim? The latter seems unlikely.

6, It's most unlikely that she'll arrive before seven.

7, The committee's recommendations are unlikely to be made public.

8, The takeover bid now looks unlikely to succeed.

9, It appears unlikely that interest rates will fall further.

10, It is highly unlikely that she'll be late.

11, A military coup seems unlikely.

12, These plans are unlikely to find favour unless the cost is reduced.

13, Someone who lacks staying power and persistence is unlikely to make a good researcher.

14, It is unlikely that his forces could withstand an allied onslaught for very long.

15, She'd concocted some unlikely tale about the train being cancelled.

16, I think it highly unlikely that I'll get the job.

17, In the unlikely event of a problem arising,[http://sentencedict.com/unlikely.html] please contact the hotel manager.

18, His chosen field was unlikely to be a meal ticket for life.

19, He is unlikely to succeed in getting his bill through Congress, however worthy it is.

20, These policies are unlikely to prove popular with middle-class voters.

21, The hospital is an unlikely setting for an art auction.

22, He is unlikely to make wild accusations without proof.

23, These offers are unlikely to be repeated.

24, We are unlikely to produce any surplus this year.

25, It is unlikely that libel laws will be invoked.

26, Donna might be able to come tomorrow, but it's very unlikely .

27, Pakistan declared at 350 for 7, leaving Australia to make an unlikely 5 runs an over to win.

28, On the evidence of their recent matches, it is unlikely the Spanish team will win the cup.

29, The government's current euphoria over the exchange rate is unlikely to last.

30, He concocted the most amazing dish from all sorts of unlikely ingredients.