The document discusses the use of "if-clauses" to refer to possible future actions and conditions. It provides examples of sentences using if-clauses with different verb tenses and moods, including affirmative, negative, and interrogative constructions. The document also includes an activity for filling in blanks in if-clause sentences and rearranging words to form new if-clause sentences.

1. IF + PRESENT + FUTURE
Affirmative
If Mary doesn´t compare
herself with her friends, she
will be happier.
Negative
If Mary compares herself with
her friends, she won´t be happy.
Interrogative
How will Mary feel, if she
compares herself with her
friends?
USE: We use an if-clause to refer to a possible future action.
A) Complete the sentences:
· You will be ill if you ______________ (eat) so much.
· If you wait he __________________ (come)
· If you ____________ (ring) the bell, the servant _____________ (come)
· If the children ______________ (be) good, they can stay up late.
· If the beggar _______________ (ask) for money, you ___________(give) him some.
C) Put the words in the right order and make any necessary changes to the verbs.
· She / Susan / you / if / see / to / speak / you /
· ____________________________________________________________
· He / it / if / come / be / nice / very
· ____________________________________________________________