動(dòng)詞ing形式的變化規(guī)則:
現(xiàn)在進(jìn)行時(shí): am,are,is +動(dòng)詞ing(表示正在進(jìn)行的動(dòng)作)
動(dòng)詞ing的'變化規(guī)則:
。、一般情況直接+ing.
例:sweep-sweeping read-reading.
2、以不發(fā)音e結(jié)尾的去e+ing.
例:take-taking,make-making,have-having,ride-riding.
3、重讀閉音節(jié)一個(gè)輔音字母結(jié)尾,雙寫(xiě)輔音字母+ing
例:shop-shopping,sit-sitting,swim-swimming.