before doing.. Examples We are supposed to work out an outline before writing our compositions.(.before we write our compositions.) They were so confident before having the exam(.before they had the exam), but after it they realized that there was still much for them to learnbefore doing… Examples • We are supposed to work out an outline before writing our compositions. (...before we write our compositions.) . • They were so confident before having the exam (...before they had the exam), but after it they realized that there was still much for them to learn