Who or which

• ​Use who when you are talking about human beings

• Use which when you are talking about anything that is not human​

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Because

• Use the word because when one of the two sentences tells why ​

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rule 1

• When the common part is at the beginning of one sentence and at the end of the second sentence, you start your combined sentence with the sentence that ends with the common part.

• Example:

• The sun shined brightly all day long.

• The children played outside in the sun. ​

• The children played outside in the sun, which shined brightly all day long. ​

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rule 2

• When the common part is at the beginning of the first sentence and at the beginning of the second sentence, you sandwich the end part of the second sentence to the middle of the first sentence.

• The words who or which have to touch the common part. ​

• Example:

• Tom played basketball.

• Tom was tired.

• Tom, who​ was tired, played basketball.

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