This document discusses the four types of conditional sentences in English. Conditional Type 0 refers to general truths and uses if/when with the present simple. Conditional Type 1 refers to possible future events and uses if/when with the present simple followed by the future simple. Conditional Type 2 refers to unreal present or future situations and uses if with the past simple followed by would, could, or might plus the base verb. The document provides examples of each conditional type and notes the use of were instead of was with the verb to be.

1. Developed by Alina Dashkewitz

3. Conditional Type 0
Law of nature
IF/WHEN + Present Simple,
Condition Result
+ Present Simple.

4. Conditional Type 0
Law of nature
True 100 % of the
time
+ if/when + Present Simple.
ConditionResult
Present Simple
Notice that in this
case you don’t
have a comma.

5. IF/WHEN + Present Simple,
Condition Result
+ Future Simple.
Conditional Type 1
Future situation

6. + if/when + Present Simple.
ConditionResult
Future Simple
Notice that the clause
can be negative.
Conditional Type 1
Possible Future
situation

7. Conditional Type 1
Possible Future
situation
IF/WHEN + Present Simple,
Condition Result
+ will/may/might/could/should +
base verb.

8. IF + Past Simple,
Condition Result
+ would/could/might + base verb.
Conditional Type 2
Unreal situation in
the present or
future
Notice that WOULD is often
contracted I’d, we’d, he’’d.
WOULD NOT is contracted to
wouldn’t

9. if + Past Simple.
ConditionResult
S+ would/could/might + base verb
Conditional Type 2
Unreal situation in
the present or
future
He doesn’t have any children.

10. IF + Past Simple,
Condition Result
+ would/could/might + base verb.
Conditional Type 2
Unreal situation in
the present or
future

11. IF + Past Simple,
Condition Result
+ would/could/might + base verb.
Conditional Type 2
Unreal situation in
the present or
future
Notice that with the
verb BE
It is possible to use
WERE instead of was.

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