Conditional Clause Sentences

Independent Clause: it can be used as a sentence. E.g. I will take an umbrella.

Dependent Clause: it can't be seen as a finished sentence. E.g. If it rains,

1. 0 conditional - always true and always happens - talking about facts.

If you take a shower, you will get wet.

2. 1st conditional - might be true in the future - if present verb, will present verb

If it rains, I will take an umbrella.

3.  2nd conditional - not true now - if past, would/could present verb

If I had money, I would buy food.

3. 3rd conditional - not true in the past - if had v3(passive verb), would/ could have v3

If I had studied, I would have passed the test.

4. mixed conditional