Look at these sentences from a blog about doping in sport.
Lead to, result in, cause and be caused by are all used to talk about the cause or result of an action or situation.
1. Expressing causes and results.
Type in the missing words to complete the sentences.
Because, because of, since and due to are used to give the reason for an action or situation.
Because and since are followed by a subject + verb.
Because of and due to are followed by a noun or -ing form.
2. Giving reasons.
Choose the correct option to complete these sentences.
4. Writing.
Rewrite these sentences to make new sentences that are similar in meaning. Use the word(s) in bold.
For example:
Her injury was caused by an accident.
(due to)
Her injury was due to an accident.
For more information about cause and result see the Grammar Reference.