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Apéndice
Activity 3.7
1.
Rainbows appear when sunlight and rain combine in a very speciFc way.
2. If the light beam hits raindrops on the way down at a certain angle, the different
colors that make up the beam separate so that we can see them in the form of
a rainbow.
3. Light at different angles coming through many raindrops form the rainbow that
we see, in stripes of red, orange, yellow, green, blue, indigo and violet.
Activity 3.8
2. If I am in love, I may not want to eat.
3. If it is raining, I should take an umbrella.
4. If our teacher gives us a lot of work, we might not go out and stay home to do it.
5. If it begins to rain, I might stay at home.
Activity 3.9
The frst
conditional
sentences are
used…
The parts of the
frst conditional
sentences are.
..
Some examples oF the frst
conditional sentences are.
..
First conditional
sentences are
used to talk about
actions that are
very probable.
They express
real or possible
conditionals.
There are two
parts in the
Frst conditional
sentences. The if
part and the result
part.
If you Fnish your cake, you will take it
to the party.
If your father gives you a new bicycle,
you will arrive earlier.
The modals of
possibility are…
The modal of
advice is…
Some examples oF the frst
conditional sentences with modals
of possibility and advice are:
The modals or
posibility are may
and might.
The modal of
advice is should.
If you feel sick, you should stay at
home and rest.
If you want to get the tickets for the
concert, you may have to go early to
buy them.