以不發(fā)音的`-e 結(jié)尾的動(dòng)詞,去-e ,再加-ing。 coming taking firing encircling writing becoming breathing leaving
閉音節(jié)的'單音節(jié)詞,或以重讀閉音節(jié)結(jié)尾的多音節(jié)詞,這些詞的末尾只有一個(gè)輔音字母時(shí),雙寫這個(gè)輔音字母,再加 -ing.
sitting running getting cutting stopping beginning planning permitting
求以y結(jié)尾的動(dòng)詞-ing形式?jīng)]什么特殊的變化,直接加ing