1. Usamos as estruturas que agora vos
vou apresentar para dizer a razão
porque fazemos, escolhemos,
decidimos alguma coisa.

2. Pay attention to
the examples
givenatenção aos exemplos):
:
(Presta
• We eat wisely so that we can be healthy.
• We eat wisely in order that we can be healthy.

3. and
also…
• We eat wisely so as to be healthy.
• We eat wisely to be healthy.
• We eat wisely in order to be healthy

4. (Resumindo…)
• There are two structures we can use to
express purpose:
• In order that/ so that + modal verb + bare
infinitive
or
• So as to / to / in order to + infinitive.

5. • She ate an apple a day in order to keep the
doctor away.
• She ate an apple a day so that she might
keep the doctor away.
• She ate an apple a day to keep the doctor
away.

7. A modal verb is a type of auxiliary verb
that is used to indicate modality – that is,
likelihood, ability, permission, and obligation
Can
May
Must
Ought to
Shall
Will
Could
Might
Should
Would

9. Can Could
• She can really sing.
• He could play football when he was
young.
May Might
• That may be a problem.
• The weather might improve.

11. • Use to , so as to, and in order to to express
purpose in the affirmative form.
• Examples:
• He is saving to make a trip to Angola.
• She wakes up early in order to be on time
for school.
• They visited him so as to offer their best
wishes for his convalescence.

12. • Use so as not to and in order not to to
express purpose in the negative form.
• Examples:
• They went to bed early in order not
to wake up late.
• She exercises regularly so as not to get
fat.
• He helped the new policewoman so as
not to let her down.

13. • Purpose with so that / in order that
• Examples:
• I told him to play quiet so that he wouldn't
disturb the neighbors.
• He got a visa so that he can travel to
Angola.
• He decided to stay in England for a while in
order that he could practice his English.

14. You are familiar
:
with the following
• You eat carbohydrates in order to gain
energy.
• You take vitamins so that you can stay
healthy.
• You eat fibre to make your bowels work
regularly.
• You need minerals so as to have healthy
teeth, bones and muscles.