初一英语单词用法答:如:spell-spelling, sing-singing, see-seeing, train-training, play-playing, hurry-hurrying, watch-watching, go-going, do-doing二)以不发音e的结尾的去掉e再加ing。如:dance-dancing, wake-waking, take-taking, practice-practicing, write-writing, have-having三)以重读闭音节结尾且一个元音字母+一个...