While/when
Past continuous
Subject + simple past of “TO HAVE” + past participle
Subject + HADN’T + past participle
HAD + subject + past participle?
Past perfect
What conditional refers to unreal or imaginary situations in the present or in the future?
Second conditional or if-clause type 2
After/before/by the time…
Past perfect
Subject + WOULD HAVE + past participle
Where do you use it?
Perfect conditional
It is used in third conditionals
When do you separate the main clause and the if-clause with a comma?
When the if-clause goes BEFORE the main clause
Perhaps / Maybe
Future Simple
Where can you use both the simple present and the imperative in the main clause?
In zero conditionals.
What form of the verb “to be” do you use in second conditionals?
Were (for all people)
What conditional refers to unreal or imaginary situations in the past?
Third conditional or if-clause type 3