From Longman Dictionary of Contemporary Englishandand /ənd, ən; strong ænd/ ●●●S1W1 conjunction 🔊 🔊 1AND/ALSOused to join two words, phrases etc referring to things that are related in some way 🔊 He’s gone to get some fish and chips. 🔊 The film starred Jack Lemmon and Shirley Maclaine. 🔊 We’ve dealt with items one, two, and eleven. 🔊 He was tall, dark, and handsome. 🔊 He plays the guitar and sings folk songs. 🔊 She didn’t speak to anyone and nobody spoke to her.2AND/ALSOused to say that one action or event follows another 🔊 Sit down and tell me all about it. 🔊 She picked up the kitten and put it in the box. 🔊 He knocked on the door and went in. 🔊 You’ll have to wait and see what happens.3AND/ALSOused to say that something is caused by something else 🔊 I missed supper and I’m starving! 🔊 She fell downstairs and broke her leg.4COUNT/CALCULATEused when adding numbers 🔊 Six and four is ten.5PURPOSE especially British English used after verbs such as ‘go’, ‘come’, and ‘try’ to show what your intention is 🔊 Shall we go and have a cup of coffee? 🔊 I’ll see if I can try and persuade her to come.6INTRODUCE spoken used to introduce a statement, remark, question etc 🔊 And now I’d like to introduce our next speaker, Mrs Thompson. 🔊 ‘She’s getting married in June.’ ‘And who’s the lucky man?’RegisterIn written English, avoid starting a sentence with and:And now we come onto the issue of homelessness. → We now come onto the issue of homelessness.7EMPHASIZEused between repeated words to emphasize what you are saying 🔊 More and more people are losing their jobs. 🔊 We waited for hours and hours! 🔊 That was years and years ago. 🔊 We ran and ran.8a)used before saying the part of a large number which is less than 100 🔊 a hundred and four 🔊 five hundred and seventy-six 🔊 by the year two thousand and tenb)used when saying a number which consists of a whole number followed by a fraction 🔊 three and three-quarters 🔊 in about two and a half hours’ time 🔊 five and a quarter per cent9BETTERused between repeated pluralnouns to say that some things of a particular kind are much better than others 🔊 ‘They said this guy was an expert.’ ‘Yes, but there are experts and experts.’10 →and?