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.
|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.|