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Start every complete sentence with a capital letter. Use capitals for specific names, such as Maria, London, and Monday, and for the pronoun I. Do not capitalize an ordinary noun only because it is important in the sentence.
Use a capital letter to start a sentence, for the pronoun I, and for proper names such as Maria, London, Monday, English, and the Pacific Ocean. Use lowercase for ordinary general nouns unless they begin a sentence or are part of an official name.
Choose the collective noun that English speakers commonly use with that kind of group. Use a team for people who work or play together, a flock for many birds, a bunch for items tied or held together, and a pack for cards or animals such as wolves.
To correct a common English mistake, first identify the sentence job: statement, question, past event, quantity, or description. Then check the grammar pattern for that job and compare your sentence with a clear example.
Match your verb to the subject and keep verbs simple after did. Small word choices change your whole sentence.
Use common noun for a general name, such as city or teacher. Use collective noun for a noun that names a group, such as team or family. Many collective nouns are also common nouns because they are general names, not specific names.
To compare two things, use an adjective with -er or use more before the adjective. Add than when you say the second thing in the comparison. Choose one pattern only: quieter or more comfortable.
For two things, use a comparative such as bigger or more useful. For a group, use a superlative such as the biggest or the most useful.
Choose the conjunction that matches the meaning between the ideas. Use and to add, but for contrast, or for a choice, so for a result, and because for a reason.
Use and to add, but to contrast, because for a reason, and so for a result. Use or for choices and when for time.
Use a or an with one singular countable noun, such as a chair or an egg. Use some with plural countable nouns and uncountable nouns when the amount is not exact. Use a container or measure word when you need to count an uncountable noun.
Use dairy for milk products and diary for notes, dates, or appointments. The middle letters are ai and ia.