CONDITIONAL IF

Conditional IF

Conditional sentence consists in 3 type :

Type 1 is Future possible

Type 2 is present unreal

Type 3 is past unreal

•  Future possible

Conditional sentence type 1 is a form that used for show us to something that will happened in the presents or in the future if the term has fulfill .

Structure of the type 1 :

Main clause – simple future tense

If clause – simple present tense

Formula :

Simple future tense +  if + simple present tense

Subject + will + verb1 + object + if + subject + verb1(s/es) + object

Example :

I wiil visit Borobudur temple, if I go to Yogyakarta

I will come to ani’s party if I have time

We will be sleepy if we are tired

She will tell u if she know the answer

Unless used for replace if not for negative statement.

Example :

If u don’t study hard, u will not pass the examination

Unless you study hard, u will not pass the examination

We will be late if we don’t leave now

We will be late unless we leave now

• Present unreal

Conditional sentence type 2 is sentence that used for to show an event that will not happen in the present or the future antipodes with this time. The structure of this sentence is below here :

Simple past future + if + simple past tense

Subject + would + verb1 + obkect +if + subject + verb2 + object

Or

Subject + would + be + complement + if + subject + were + complement

Example :

We would give u a gift if u got the best score in your class

The fact  is :

We don’t give u gift because u don’t get the  best score in your class

I would eat Japanese food if I lived in Japan

The fact is :

I don’t live in Japan

If clause  that said with to be so we used were for all subject .

Example :

If I were rich, I would buy a car

If I were the moon, u would be the star

• Past Unreal

Conditional sentence type 3 is sentence that used to show an event that antipodes with the past time. The structure of past unreal:

Past future perfect tense + if + past perfect tense

Subject + would + have + verb3 + object + if + subject + had + been + complement

Or

Subject + would + have + been + complement + if + subject + had + been + complement

Example of conditional sentence type 3 are below here :

Id I had seen u yesterday, I would have told u about it

The fact :

I didn’t see u yesterday

If the weather had been yesterday, we would have gone for swim

The fact :

The weather was bad yesterday

Sumber :

http://www.bahasainggrisoke.com/pengertian-rumus-kegunaan-dan-contoh-conditional-sentence-terlengkap/