Examine each comma
A very common error and poor style is to use a comma instead of a full stop to end a sentence. This makes two or more stylish, short and crisp sentences into one long, drawn out and boring sentence! Always end each sentence with a full stop - or a semi-colon if you know how to use this punctuation mark.
Look at every apostrophe
Apostrophes are only ever used for two reasons. But so many students fail to use them effectively. If two words are squeezed together into one and a letter is missed out in the process, show where the letter was by inserting an apostrophe. So should not becomes shouldn't
And when one of two nouns belong to the other, show which one possesses which by adding apostrophe+s to its end. So the school's entrance is correct because the entrance is 'possessed by the school, also Alan's book shows a similar possession.
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