students usually play happily on the playground为什么填happily_百 ...答:你好 Students usually play happily on the playground.这句话的时态是一般现在时, 谓语动词是play, 表示玩耍, 玩. 一般是用形容词修饰名词, 比如 happy students 开心的学生, happy是形容词, 表示开心的, 高兴的。 而动词是用副词修饰, happy的副词是变y为i再加ly, 也就是happily,所以要用副词...
初一上册英语单词,句子,语法,经典题有哪些?答:1、合成法:如:spaceship, headache, basketball, playground等等。2、派生法:(1)派生名词:①动词+er/or ②动词+ing ③动词+(t)ion ④形容词+ness ⑤其他,如:inventor, learner, swimming, congratulation, kindness, carelessness, knowledge(2)派生形容词:①名词+y ②名词+ful ③动词+ing/ed ④friendly ⑤...