6、eling)Itisabigapple.Some childrenasked forcold drinks.有些孩子要喝冷饮。Ishallgo to seehim tomorrow.明天我要去看他。Imustask herto teach me to swim.我一定得请她教我游泳。动词有六种变形:1. work动词原形2. works动词的第三人称单数形式3. worked动词的过去式4. to work动词的不定式5. working动词的ing形式6. worked动词的ed形式(过去分词)