presentation: conditionals

8
CONDITIONAL CLAUSES Neus Ferrís & Patricio García

Upload: neusipatri

Post on 07-Apr-2015

165 views

Category:

Documents


6 download

TRANSCRIPT

CONDITIONAL CLAUSES

Neus Ferrís & Patricio García

ZERO CONDITIONAL

It is used for situations that are always true.

If I am late, my father takes me to school.If you heat water, it boils.

If + Present Simple,

Present Simple

Neus Ferrís & Patricio García

TYPE 1

If + present simple, will + infinitive

If you finish work early, we’ll go for a walk.

It is used to express real, possible situations.

If the phone rings, I’ll answer it.

Neus Ferrís & Patricio García

Sometimes, we can use modals in the main clause

If the weather is sunny later, we can go to the beach.

or imperatives

Don’t disturb Mary if she is tired.

Neus Ferrís & Patricio García

In other cases, “unless” can substitute “if + negative”

If he doesn’t get here soon, we will have to start without her.

Unless he gets here soon, we will have to start without her.

Neus Ferrís & Patricio García

TYPE 2

If + past simple, would + infinitive

If I knew her number, I would phone her.

It is used to express unreal, hypothetical situations.

If I had as much money as Bill Gates, I would retire.

Neus Ferrís & Patricio García

Modals can also be used in the main clause

If we received more credit, we could / might expand more rapidly.

and with the verb “to be”, “were” is always used in the subordinate clause

If I were you, I’d visit a doctor.

Neus Ferrís & Patricio García

TYPE 3

If + past perfect,

would + perfect infinitive

If I had known it was a formal party, I wouldn’t have worn jeans.

It is used to express impossible situations.

Neus Ferrís & Patricio García