【正文】
現(xiàn)在 過去 is was are were do did live lived help helped 現(xiàn)在 過去 watch talk cook work can watched talked cooked could do worked did (現(xiàn)在 ) 有 … There is / are… (現(xiàn)在) 沒 有 … There isn’ t / aren’ t… =There is not /are not… 表示 現(xiàn)在 “有”或“沒有” 4 There is a car. There is a television. isn39。t 5 There are many dog