The boy is running now.(改成just now形式)是The boy ran just now对吗?为啥不把is改成was 呢?不明白啊

Look!the ( ) (30) boy is running fast. 汉语how fast running the boy is after,the,running,boy,is,the,dog连词成句 after,the,running,boy,is,the,dog.连词成句. the boy running p_____the teachers' office is our monitor. The boy is running to school now.哪里错了? The running boy won the first prize. = The boy that is running won the first prize.对吗? the running boy the boy running in the playground The boy who is running won the first prize. The boy who won the first prize is my son 对吗 The boy who is running won the first prize.The boy who won the first prize is my son the running boy the boy running in the playground 这里的running是形容词吗 请问这句话对吗?The girl is running faster thyan the boy. How fast the boy is running?把running去掉可不可以?为什么?若改用what引导,是不是What a fast boy he is?若是这样,那么running要放哪儿?running在第一句中是做什么成份？ the rabbit is (running ). ----is running a.how fast boy b.what fast the boy c.how fast a boy d.how fast the boy the running boy the boy running in the playground 两个running与the boy都是主谓关系吗 the running boy中的running是形容词吗 The man is running ______ a little boy急呀拜托