If clauses conditionals rules, examples

If clauses conditional

If-clauses - Conditional sentences

If clauses =  main clause and if-clause. There are 3 Types: If clauses Type 1, If clauses Type 2, If clauses Type 3.

  • If clauses all Types
  • If clause Type 1
  • If clause Type 2
  • If clause Type 3

If-clauses all Types

If clauses Type 1 (one): Situations that can really happen at present or in future (real).
If clauses Type 2 (two):  Situations will probably never happen at present or in future (unreal).
If clauses Type 3 (three): Situations that did not happen in the past. 

Form

If-clause Type If-clause  Main clause
If-clause Type I:  Simple Present  will + infinitive
If-clause Type II:  Simple Past  would + infinitive
If-clause Type III:   Past Perfect  would + have + Past Participle

Examples If-clauses Type I, Type II,Type III

If-Clause at the beginning of the sentence

If-clause Type  If-clause  Main clause
If-clause Type I   If the game is good,   I will play it.
If-clause Type II   If the game was good,   I would play it.
If-clause Type III   If the game had been good,   I would have played it.
 

If-clause at the end of the sentence

If-clause Type   Main clause  If-Clause
If-clause Type I   I will play the game   if it is good.
If-clause Type II   I would play the game   if it was good.
If-clause Type III   I would have played the game   if it had been good.

Form If Clause Type 1

Situations that can really happen at present or in future (real).

Form If Clause Type 1

If-Clause Main clause
Simple Present will + infinitive

Example If Clause Type 1

If the game is good, I will play it.
I will play the game if  it is good.

If Clause Type 2

Situations will probably never happen at present or in future (unreal).

Form If Clause Type 2

If-clause Main clause
Simple Past would + infinitive

Examples If Clause Type 2

If I lived in Australia, I would be a sheep farmer.
I would be a sheep farmer if I lived in Australia.

If Clause Type 3

Situations that did not happen in the past. 

If Clause Type 3

If-Clause Main clause
Past Perfect would + have + Past Participle

Examples If Clause Type 3

If I had had nothing to do, I would have come.
I would have come If I had had nothing to do.

If clauses conditionals examples

If clauses conditionals with explanations, examples and exercises. Change the following sentences into If clauses conditionals and learn with English online exercises.

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