Materias Variadas

MODULO I
(have-get something done)

Are used when someone does something for someone

* We use the structure have/get something done when we want to saythat we ask someone else to do something for us.
Compare the sentences
*  We use CAUSATIVE HAVE to show that you ask someone to do something.
(have + someone +infinitive without TO.)

MODULO II
(second conditional)

The second conditional is used when it is unlikely to happen

* The second conditional  is astructure used for talking about unreal situations in the present or in the future.
If I won the lottery I would buy a Ferrari (si me tocara la loteria, me comprariaun ferrari)

MODULO III
(modal should have/must have)

* Should
Used to give advice. It indicates that something is good and therefore should be done. Itisa recommendation, not an obligation. 

* Must / Have to

Express an obligation, something to do.

MODULO IV
(Modals may- Might-could-couldn´t have)

May* We can use may to ask for permission.
* We use may to suggest something is possible
Migth

* We can use might to suggest a small possibility ofsomething. And is more used that my in the spoken english.

Could- couldn´t

* Could is the past of can and we use could and couldn't to express what we wereor weren't capable to do in the past.

MODULO V
(Third conditional)

* The third conditional is a structure used for talking about unreal situations in thepast.
* If i had estudied harder, i would have passed the exam.

MODULO VI
(reported speech)

* Is someone saying something and I say what he said