she doesmorning exercises enery day.(否定句)

这是经常容易混淆的一个问题，也是出题老师最喜欢出的题目，要注意
She does morning exercises every day.此句中的does为行为动词，构成否定句时要在行为动词前加助动词，主语是she，第三人称单数，所以助动词用does，再加not，然后把题目中的does改为原形do，即;
She doesn't do morning exercises every day

she doesn't do morning exercises everyday