Unit 1. Capital letters; Unit 2. Showing what someone has said; Unit 3. The colon; Unit 4. The dash; Unit 5. The comma 1; Unit 6. The comma 2; Unit 7. More than one (making nouns plural); Unit 8. Singular or plural? (My family was/were...); Unit 9. The apostrophe 1; Unit 10. The apostrophe 2; Unit 11. Two words in one (e.g. 'beauty' + 'full' = beautiful); Unit 12. One word or two? (maybe/may be); Unit 13. The hyphen; Unit 14. Some troublesome nouns (Is it 'arguement' or 'argument'?); Unit 15. Some more troublesome nouns (Is it 'humour' or 'humor'?); Unit 16. Extending words of one syllable (e.g. rub - rubber); Unit 17. Extending words of more than one syllable (travel - traveller); Unit 18. Irregular verbs (e.g. do - did - done); Unit 19. Some tricky verbs (lie/lay; rise/raise); Unit 20. Some confusing words (practise/practice; affect/effect); Unit 21. -ible and -able; Unit 22. -ent and -ant; Unit 23. Negative prefixes; Unit 24. adverbs; Unit 25. Making comparisons; Unit 26. 'as' and 'like'; Unit 27. Words that sound alike; Unit 28. Silent letters; Unit 29. Some problems of usage; Unit 30. Common spelling errors.