Using Will and Going To For Prediction

B1 – Intermediate

Prediction

A prediction is when you say what you think will happen in the future.

Example:

• It will rain tomorrow. 

Using “Will” for Prediction

We use will when:

• We decide something at the moment of speaking
• We make a guess or opinion

Structure:

Subject + will + base verb

Examples:

• I think it will rain later.
• She will be happy.
• People will travel to Mars someday. 

Common words used:

• I think…
• I believe…
• Probably…

Using “Going To” for Prediction

We use going to when:

• There is evidence now (we can see or know something).

Structure:

Subject + am/is/are + going to + base verb

Examples:

• Look at the clouds! It is going to rain. 
• He is going to fall! (You can see it happening)
• They are going to win (based on strong evidence)

Quick Comparison: “Will” vs “Going To”

Compare:

• Just an opinion: I think it will rain.
• Clear evidence: Look at the sky! It is going to rain.