CONDITIONAL SENTENCES

Conditional Sentence Type 1

→ It is possible and also very likely that the condition will be fulfilled.
Form: if + Simple Present, will-Future

Example: If I find her address, I’ll send her an invitation.

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Conditional Sentence Type 2

→ It is possible but very unlikely, that the condition will be fulfilled.
Form: if + Simple Past, Conditional I (= would + Infinitive)

Example: If I found her address, I would send her an invitation.

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Conditional Sentence Type 3

→ It is impossible that the condition will be fulfilled because it refers to the past.
Form: if + Past Perfect, Conditional II (= would + have + Past Participle)

Example: If I had found her address, I would have sent her an invitation.

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