Grammar exercises: The 是…的 (shì…de) construction in Chinese grammar 语法：是…的、是、的 练习
The example sentences of the article, a few to an exercise, in the order the article shows them. Each exercise takes the point's word out of a sentence for you to fill back in, then gives you the sentence's words to put in order, and an item you miss comes back later in the same sitting.
5 grammar exercises over 97 items.