1.一般情況下,直接加ing,如:cook-cooking 2.以不發(fā)音的e結(jié)尾,去e加ing,如:make-making, taste-tasting 3.如果末尾是輔音字母加一個元音字母和一個輔音字母,雙寫末尾的輔音字母,再加ing,如:run-running, stop-stopping