Conditional sentence āĻāϰ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ verb formāĻāϰ āĻ•āĻŋāϛ⧁ āĻŦā§āϝāϤāĻŋāĻ•ā§āϰāĻŽ āϘāĻŸā§‡āĨ¤ āĻāχ āĻŦāĻžāĻ•ā§āϝāϗ⧁āϞ⧋ āϚāĻŋāύāϤ⧇ āϭ⧁āϞ āĻ•āϰāϞ⧇ āϐ verb formāϟāĻžāĻ“ āϏāĻ āĻŋāĻ•āĻ­āĻžāĻŦ⧇ āϧāϰāĻž āϝāĻžā§Ÿ āύāĻžāĨ¤ āĻŽā§‚āϞāϤāσ Conditional sentence āĻšāϞ āĻĻ⧁āĻŸā§‹ āϘāϟāύāĻž āϝāĻžāĻĻ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻāĻ•āϟāĻž āφāϰ⧇āĻ•āϟāĻžāϰ āĻļāĻ°ā§āϤāĨ¤ āϝ⧇āĻŽāύāσ
I will go if I have the time.
āĻāĻ–āĻžāύ⧇ āϏāĻŽā§Ÿ āĻĨāĻžāĻ•āĻžāϟāĻž āĻļāĻ°ā§āϤ, āφāϰ āϝāĻžāĻ“ā§ŸāĻžāϟāĻž āĻšāϞ āĻŽā§‚āϞ āϘāϟāύāĻžāĨ¤
Conditional sentence āĻĻā§â€™āϰāĻ•āĻŽ, real āφāϰ unrealāĨ¤

Real condition
 
āĻŦāĻ•ā§āϤāĻž āϝāĻĻāĻŋ āĻŦā§‹āĻāĻžāϤ⧇ āϚāĻžā§Ÿ āϝ⧇ āĻļāĻ°ā§āϤāϟāĻŋ āĻŦāĻžāĻ¸ā§āϤāĻŦ, āĻ…āĻ°ā§āĻĨāĻžā§Ž āϘāϟāύāĻžāϟāĻŋ āϘāϟāϤ⧇āĻ“ āĻĒāĻžāϰ⧇ āϤāĻžāĻšāϞ⧇ āϏ⧇āϟāĻŋ real condition. āϤāĻŋāύāϰāĻ•āĻŽ real condition āĻšāϤ⧇ āĻĒāĻžāϰ⧇āσ
Future:
If+ subject+ present indefinite+ {will can may must} + verb base form
If he takes the bribe the police will arrest him.
Habitual:
If+ subject+ present indefinite+ ( ) + present indefinite
If the child finds candy he keeps quiet.
Optative:
If+ subject+ present indefinite+ ( ) + present indefinite
If you find him sleeping, wake him up.
 

Unreal condition
 
āĻŦāĻ•ā§āϤāĻžāϰ āĻ•āĻĨāĻžāϤ⧇āχ āϝāĻĻāĻŋ āĻŦā§‹āĻāĻž āϝāĻžā§Ÿ āϝ⧇ āĻļāĻ°ā§āϤāϟāĻŋ āϘāϟāĻŦāĻžāϰ āϕ⧋āύ āϏāĻŽā§āĻ­āĻžāĻŦāύāĻž āύ⧇āχ āϤāĻžāĻšāϞ⧇ āĻŦāĻžāĻ•ā§āϝāϟāĻŋ āĻāĻ•āϟāĻŋ unreal conditionāĨ¤ unreal condition āĻĻā§â€™āϰāĻ•āĻŽāσ
Present/Future:
If + subject + simple past + {would could might} + verb base form
If he took the bribe the police would arrest him.
āωāĻĒāϰ⧇āϰ real future conditionāĻāϰ āϏāĻžāĻĨ⧇ āϤ⧁āϞāύāĻž āĻ•āϰ⧇ āĻĻ⧇āϖ⧁āύ, verbāĻĻ⧁āĻŸā§‹ āφāϞāĻžāĻĻāĻžāĨ¤ āĻāϰ āĻ…āĻ°ā§āĻĨ āĻšāϞ āĻŦāĻ•ā§āϤāĻžāϰ āĻŦāĻŋāĻļā§āĻŦāĻžāϏ āĻāχ āϞ⧋āĻ•āϟāĻŋ āϘ⧁āώ āύ⧇āĻŦ⧇ āύāĻž āĨ¤
Past:
If + subject + past perfect + ( ) + {would could might} + have + past participle of verb
If he had taken the bribe the police would have arrested him.
āĻ…āĻĨāĻŦāĻž āφāϰ⧇āĻ•āϟāĻŋ āωāĻĻāĻžāĻšāϰāĻŖ āĻšāϤ⧇ āĻĒāĻžāϰ⧇āσ
If he had not taken the bribe the police would not have arrested him.
 
āϝāĻžāϰ āĻ…āĻ°ā§āĻĨ āĻšāϞ āϞ⧋āĻ•āϟāĻŋ āχāϤ⧋āĻŽāĻ§ā§āϝ⧇ āϘ⧁āώ āύāĻŋā§Ÿā§‡āϛ⧇ āĨ¤ āϤāĻžāχ if  āĻĻāĻŋā§Ÿā§‡ āϝ⧇ āĻļāĻ°ā§āϤāϟāĻŋ āĻĻā§‡ā§ŸāĻž āĻšā§Ÿā§‡āϛ⧇ āϏ⧇āϟāĻŋ āĻ…āĻŦāĻžāĻ¸ā§āϤāĻŦāĨ¤
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