Read the rules and look at the example sentences. Then find more examples in the model text. Rules: 1 ) we use capital letters at the beginning of a sentence, with names,countries, nationalities and languages Canada is a large country in North America. 2 )We use commas in lists and for pauses. ... but people also study Spanish, German and Mandarin. 3 ) We use a full stop at the end of a sentence. ... a lot of people from other countries live and work there.