Do you panic when you must decide whether to use "affect" or "effect"? Do verb tenses make you, well...tense? This easy-to-use guide to grammar not only teaches you to use the right verb at the right time, but helps you brush up on all your rusty grammar skills so you can write and speak clear, error-free English with confidence. You'll also find: • Thorough coverage of key areas of grammar. • Easy-to-understand explanations and plenty of exercises...