Употребите participle 1 и participle 2 в следующих предложениях 1. the girl who helps her about the house is her younger sister. 2. the work which he did was excellent. 3. as she works in that laboratory, she learns many interesting things. 4. correct the mistakes which were made by you. 5. where do you keep the books which you took from the library? 6. as i have enough time, i shall take some books from the shelf and read.