1、一般情況下,直接在動詞后加-ing (現(xiàn)在進行時)work ---- working study ----- studying
2、動詞以不發(fā)音的-e結尾,要去-e加-ing take ----- taking make ----- making
3、重讀閉音節(jié)的動詞,要雙寫詞尾字母,再加-ing cut ----- cutting put begin
4、以-ie結尾的動詞,把變成y再加-ing lie ----- lying tie ----- tying die ----- dying