Sentence connectors showing cause and effect

Sentence connectors improve your writing. They add variety and sophistication to your style of writing.

In this lesson we will learn about words and expressions used to show cause and effect.

In English, we use several different words to show cause and effect. Examples are: for, because, as, since, therefore, hence, as a result, consequently, due to, because of, as a result of etc.

He must be asleep for there is no light in his room.

I decided to call it a day – for I was feeling tired.

I helped him because I liked him.

Since he had not paid the rent, he was told to vacate the room.

As it is raining again, we will have to stay at home.

It was raining, so we stayed at home.


So shows the effect. As, since and because show the cause.


As he hasn’t arrived yet, we will have to go without him.

He hasn’t arrived yet, so we will have to go without him.

The poor parents could not support the baby. Therefore they sent him to an orphanage.

We had to cancel the trip due to my daughter’s illness.

Owing to bad weather the match was cancelled.

We had to cancel the match because of bad weather.

I was late owing to the fact that the train broke down.