As an ESL student and immigrant, if my school did this I likely would’ve flunked my English classes if they didn’t modify the tests to be the same style. Having my teacher explain (or a student attempt to explain) what’s happening, then breaking down the complex sentence structure and vocabulary was what we did. We might’ve done some rewriting exercises, but that’s completely different than learning the rewritten sentences from the getgo. But I was also a child which means learning languages is usually easier. I can’t say if the same method is useful for adult learners.