If clause

	I	II	III
If clause	If + simple present tense, simple future tense.	If + simple past tense, simple future past tense	If + past perfect tense, future past perfect tense
Time	Present	Present	Past
Pos/Impos	Possible	Impossible	Impossible
Pattern for		Imagine	Regret
Notes	> We use if clause 1 for probable action/result in the future according to a real condition.	> We want to imagine something happening in the present. > We change "to be" into "were" for all subjects.	We want to imagine another version happening in the past. [penyesalan]
Example	If I have a lot of leisure time, I will spend it with my Family.	If I had enough apples, I would bake an apple pie this afternoon.	If my flight hadn't been delayed, I would have arrived in Bandar Lampung.

If Clause Type III

If S + had been, S + would have + V3 (been).
If S + had +V3, S + would have + V3

Ex : If my flight hadn't been delayed, I would have arrived in Bandar Lampung.

Tenses

	Simple	Continuous	Perfect	Perfect Continuous
Present	Simple Present Tense	Present Continuous Tense	Present Perfect Tense	Present Perfect Continuous Tense
Past	Simple Past Tense	Past Continuous Tense	Past Perfect Tense	Past Perfect Continuous Tense
Future	Simple Future Tense	Future Continuous Tense	Future Perfect Tense	Future Perfect Continuous Tense
Past Future	Simple Past Future Tense	Past Future  Continuous Tense	Past Future  Perfect Tense	Past Future  Perfect Continuous Tense