Subordinating Conjunctions

weil (because), dass (that), wenn (if / when), als (as).

With these, the verb comes in the end (Nebensatz).
”Als” is used for one time situations while “Wenn” is used for situations that have happened multiple times.

Coordinating Conjunctions

und (and), oder (or), aber (but), denn (because).

Conjunctive Adverbs

With these, verb comes in second and the adverb takes the first place.

deshalb (therefore / that’s why).

Temporal Adverbs

zuerst → dann → danach → zuletzt or zum Schluss.