1. 一般情況下,直接加ing
stand-standing? sleep-sleeping
jump-jumping? learn-earning
2. 以不發(fā)音的e結(jié)尾,去e加ing
come–coming? dance-dancing
close-closing? ? make–making
3. 雙寫(xiě)末尾字母加ing : 重讀閉音節(jié)或倒著數(shù)單詞的字母組合符合輔音字母+元音字母+輔音字母結(jié)尾要雙寫(xiě)。
sit- sitting? ? hop - hopping
swim- swimming? cut- cutting
4. 以ie結(jié)尾的動(dòng)詞把 ie變?yōu)閥,再加ing
lie-lying 平躺责球、說(shuō)謊
tie-tying 系(鞋帶領(lǐng)帶)留量，捆
die—dying 死
