Put the marked nouns in the plural form and make the necessary changes in the sentences. 1)there is a new shop in our street. 2) i do not know that gentleman. 3)who is this lady? 4) this book is very interesting but too short. 5)my grandmother has a cow, an ox and a sheep. 6) i need to buy a new shelf. 7) i will add a tomato and a pepper in the salad. 8) i saw a mouse in the barn. 9) i hurt my leg when i was skiing. 10) her child speaks english. 11) this girl comes form the ukraine. 12) "where is my toy? " cried a little boy. 13) this is my money. 14) this is not your pen. 15) this shop is new. 16) is this a good student? 17) he has got a new bike. 18) i have seen that woman before. 19) that gentelman looks familiar.