CONNECTORS OF CAUSE

Because (of), since, as, due to, as a result of

Because: it is followed by a clause, we don’t use it at the beginning of a sentence.

e.g. He didn’t stay up because he was tired.

Because, since and as: are followed by a clause (subject + verb)

Because of (a causa de), as a result of and due to (debido a) are followed by a noun or noun phrase.

e.g. I couldn’t find a job because of the crisis.

We couldn’t sleep due to the noise.

As (como) and since (ya que) are used at the beginning of the sentence.

e.g. As he is quite lazy, he doesn’t like hard work

Since it was closed, we couldn’t buy the flowers.

CONNECTORS OF RESULT

So, therefore, consequently, for this reason and as a result

So: it is followed by a clause. We don’t use it at the beginning of a sentence.

e.g. We were nervous so we couldn’t eat anything.

  

As a result, consequently and therefore are used at the beginning of the sentence.

-      It was snowing. As a result, we didn’t go out

-      She couldn’t run fast. Consequently, she lost the race

-      He didn’t speak English. Therefore, he didn’t understand a word.