1. Inverted Conditionals
1.1. Type 1
1.1.1. Should + infinitive, will + infinitive
1.2. Type 2
1.2.1. Were ... to + infinitive, would +infinitive
1.3. Type 3
1.3.1. Had .... (not) + past participle, would have +past participle
2. Other conditional structures
2.1. Type 1
2.1.1. As/So long as
2.1.2. On condition (that)
2.1.3. Provided/Providing (that)
2.1.4. In case/ In case of + N
2.1.5. Otherwise
2.1.6. Unless
2.1.7. If ... (should) happen to
2.2. Type 2
2.2.1. If it weren't for + N
2.2.2. Were it not for + N
2.2.3. Suppose/ Supposing
2.2.4. If ... happened to
2.2.5. If ... were to
2.3. Type 3
2.3.1. If it hadn't been for +N
2.3.2. Had it not been for + N
2.3.3. But for + N
3. Real Conditionals
3.1. Zero Conditional
3.1.1. Form
3.1.1.1. if/whenever/when + present tense, present tense
3.1.2. Usages
3.1.2.1. facts, definitions and corellations
3.1.2.2. rules
3.1.2.3. habits
3.2. First Conditional
3.2.1. Form
3.2.1.1. if + present tense, will + bare infinitive/imperative
3.2.2. Usages
3.2.2.1. Real conditions in the present/future and their results in the present/future
3.2.2.2. give conditional instructions/request
3.2.2.3. plans/predictions/ ...
3.2.2.4. to ask about future events
3.2.2.5. offer/suggest/etc
3.2.2.6. warn/threaten/etc
3.2.3. will -> be going to, can, could, may, might, shall, should, have to, ought to
4. Unreal Conditionals
4.1. Second Conditionals
4.1.1. Form
4.1.1.1. if + past subjunctive, would (might/could) +bare infinitive
4.1.2. Usages
4.1.2.1. Hypothetical conditions in the present/future and their results in the present/ future
4.1.2.2. willingness to do something despite lack of ability
4.2. Third Conditionals
4.2.1. Form
4.2.1.1. if + past perfect, would (might/could/should) have + past participle
4.2.2. Usages
4.2.2.1. Hypothetical conditions in the past and their results in the past
4.2.2.2. Express regret
4.2.2.3. Assign blame
4.3. Mixed Conditionals
4.3.1. Hypothetical conditions in the past and their results in the present
4.3.1.1. If + past perfect, would + bare infinitive
4.3.2. Hypothetical conditions in the present and their results in the past
4.3.2.1. If + past subjunctive, would have + past perfect