Possibility

When we are talking about the future, we often don't really know what will happen. Here are ten ways that we can say things that we think have a chance of happening.

10 expressions to Use In Speaking And Writing: 
  1. It's probably going to rain tomorrow.
  2. There's a (good) chance it'll rain...
  3. In all probability, it'll rain...
  4. The odds are it'll rain tomorrow.
  5. I wouldn't be surprised if it rained...
  6. There's a fifty-fifty chance of rain...
  7. It's quite likely it'll rain...
  8. It may / might / could rain tomorrow.
  9. Maybe it'll rain tomorrow.
  10. There's (just) a chance it'll rain
How To Use These Phrases In Your English: 
  1. Phrases 1 and 2 are saying that there is a high probability
  2. Phrases 3 and 4 are a little weaker but still quite strong
  3. Phrases 5 and 6 are saying that the chance is about 50 percent that it will rain.
  4. In phrase 8, 'may' and 'might' are more probable if the word 'just' comes before (e.g. it just might rain tomorrow.)
  5. Phrase 9 depends on the intonation. Increasing the rise-fall on 'May' makes the rain sound more probable.
  6. Phrase 10 is saying that the probability is small.
Elementary