一、definition
二 、form
三、verb tense
三、 first conditional vs zero conditional
zero conditional describe fact. talking in general things.
first conditional describe a specific thing and it will happen in the future.
一、definition
二 、form
三、verb tense
三、 first conditional vs zero conditional
zero conditional describe fact. talking in general things.
first conditional describe a specific thing and it will happen in the future.