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Zero and First conditional

The table below shows the forms and uses of the zero and first conditional. Read the information given and then move on to the questions on the next page.

Type Usage Form Example
Zero To talk about conditions which are always true and scientific facts

(Can also be used to give instructions)

if + present simple… + present simple If people take regular exercise, they improve their health.
First To predict likely events in the future (the speaker/writer believes that there is a big chance that the situation will occur) if + present simple… + will + base verb If we protect the environment now, future generations will benefit.