Conjunctions are connecting words! Conjunctions are used to join words or groups of words together. The most common ones are and, or, and but. (There are many others.)
There are 4 types of conjunctions:
KINDS of sentences
Declarative sentences: A declarative sentence makes a statement. It ends with a period.
Interrogative sentences: asks a question. Ends with a question mark.
An exclamatory sentence show strong feeling. It ends with an exclamation point.
An imperative sentence gives a command. Ends with a period.