Logical connectors are used to join or connect two ideas that have a particular relationship. These relationships can be:
- sequential (time)
- adversative (opposition and/or unexpected result)
- condition
- reason and purpose
Types of Logical Connectors
Conjunctions (Coordinating Conjunctions)
Used to combine two complete sentences, forming a compound sentence
Example: and, yet, but, or, not, so, for
- He didn't do his homework, so he didn't pass the class.
- Shirly and Vikie are having their dinner at the restaurant.
Adverbial Expressions (Subordinators / Subordinating Conjuctions)
Used to introduce an adverbial clause, forming a complex sentence
Example: although, though, even though, while,because, since
- He went to bed because he was tired.
- He missed the meeting in spite of the fact that he left the house early.
Adverbial Conjunction
Used to show a logical connection between two sentences.
Example: also, in addition, moreover, furthermore, therefore, thus, accordingly, as a result
- He was tired. Therefore, he went to bed.
Prepositions
Used to introduce a prepositional phrase: always followed by a noun phrase
Example: as well as, until, during, before, after, since
- He went to bed because of being tired.
- In spite of leaving the house early, he missed the meeting.
Adverbs
Used to provide more information about a verb.
Example: also, still, actually
- There was an accident on the freeway. He consequently missed the meeting.
- He left the house early. He still missed the meeting.
As a summary
(taken from http://prezi.com/m0saycrlj3fr/logical-connector-or-linking-words/)