2 Conditionals always have two parts: the Main Clause and the IF Clause(When the If Clause goes first, it is followed by a comma, but you can also put the Main Clause first without using a comma between the clauses.)
3 Conditional Conjunctions: IF is the most common one.Others are:As long asProvided/ Providing (that)UNLESS = If not
4 (0 &) 1st Type Conditional (Real Possibility) It is used for real - or possible - situations.The If Clause goes in the Present Tense (usually Simple):If you want , …If you are late again, …If you have done your homework, …
5 The Main Clause can go in: - Present Tense - Imperative - Present Modal Verb: can, may, must.But usually in- FUTURE SIMPLE:If you want, I’ll help youI’ll be angry if you’re late againIf you’ve done your homework, you can go out
6 UNLESS is the opposite of “If”: If she doesn’t call soon, I’ll be angry =Unless she calls soon, I’ll be angry.He will be late if he doesn’t hurry up =He will be late unless he hurries up
7 2nd Type Conditional Often called the "unreal" conditional because it is used for unreal - impossible or improbable - situations. This conditional provides an imaginary result for a given situation.
8 - Simple Past Tense Conditional Tense: The If Clause goes in- Simple Past TenseThe verb 'to be', when used in the 2nd conditional, is usually conjugated as 'were'.The Main Clause goes inConditional Tense:Would(n’t) + infinitive(Could or Might are also possible but less common)If I were you, I’d go to the doctor’s.If he studied more, he’d pass all his subjects.They would buy a new house if they had more money.
9 3rd Type ConditionalKnown as the "past" conditional because it refers only to past situations with hypothetical results.
10 WOULD(N’T) (Could/ Might) HAVE + Past Participle The If Clause goes inPast PerfectThe Main Clause takes:WOULD(N’T) (Could/ Might) HAVE + Past ParticipleHe would have found a new job if he had tried.We wouldn’t have seen this film if you hadn’t told me about it.If you had studied for the exam, you would have passed.