Table 1 Four types of adverbial clauses

From: Adverbial clauses and speaker and interlocutor gender in Shakespeare’s plays

Causal

Because, since, in that, as long as, inasmuch as, in case

Conditional

If, in case, so long as, assuming

Purpose

So, so that, in order that, lest

Concessive

Though, although, even though, even if