在動(dòng)詞后加ing
1.以重讀閉音節(jié)結(jié)尾,末尾只有一個(gè)輔音字母,要雙寫(xiě)這個(gè)輔音字母再加ing.舉五個(gè)列子,要除開(kāi)：swim-------swimming sit------sitting run-------running drop------dropping
2.以不發(fā)音的字母e結(jié)尾的動(dòng)詞,要去掉e再加ing.舉五個(gè)列子,要除開(kāi)：live------living like---liking make------making
3.以ie為重讀音節(jié)結(jié)尾的單詞,改ie為y再加ing.舉幾個(gè)列子,要除開(kāi)：die---dying
4.一般動(dòng)詞加ing.舉五個(gè)列子,要除開(kāi)：sleep-----sleeping draw-----drawing read-----reaing