Notes On Usage of Comma - CBSE Class 7 English Grammar
1. Use a comma between items in a series or list. In a sentence, the last two items usually do not need a comma between them as they are separated by "and". However, if one or both of the last two items are long, a comma may be useful. My favorite sports are football, rugby, swimming, boxing and golf. 2. Use a comma between three or more adjectives or adverbs. He bought an old, red, open-top Volkswagen. He ran quickly, quietly and effortlessly. 4. Use a comma for numbers over 999. (In English, commas separate thousands and periods separate decimals. Note that some languages use the opposite system.) 1,000 (one thousand) 1,569 10.5 (ten point five or ten and a half) - note the use of the period, not comma

#### Summary

1. Use a comma between items in a series or list. In a sentence, the last two items usually do not need a comma between them as they are separated by "and". However, if one or both of the last two items are long, a comma may be useful. My favorite sports are football, rugby, swimming, boxing and golf. 2. Use a comma between three or more adjectives or adverbs. He bought an old, red, open-top Volkswagen. He ran quickly, quietly and effortlessly. 4. Use a comma for numbers over 999. (In English, commas separate thousands and periods separate decimals. Note that some languages use the opposite system.) 1,000 (one thousand) 1,569 10.5 (ten point five or ten and a half) - note the use of the period, not comma
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