Conditionals
First conditional (I you walk, it will take ten minutes)
The first conditional is used to describe something which could happen in the future and its result.
If I attach the file to the email, you'll be able to open it.
something which could happen = attach file
result = open it
If it rains in the afternoon, we will stay at home.
If you buy the tickets, I will pay for the popcorn.
听友139861788
说得太赞！老师真厉害
听友82825685
只是忽然想起了你，过来听听，哈哈哈
听友82669355
哈哈。突然觉得好亲切
听友82179675
每天都要听！
听友83309190
很棒,说到我心里了