题目内容：

There is a car (改写为过去时）和 There is some milk in the bottle（改为否定句）和Watch Tv,please（改为否定句）和It was ten o‘clock then.（就划线部分提问）
``enioy（单三） am（过去式）are（过去式）drive（现在分词）sit（现在分词） is（过去式）

优质解答

there was a car.
there isn't any milk in the bottle.
Please don't watch TV.
What time was it then?
enjoy - enjoys
am - was
are - were
drive - driving
sit - sitting
is - was