Поставьте следующее предложение во множественное число. 1. put this knife on the table. 2. this child’s feet is sore. 3. has this lady a knife? 4. this key is made of steel. 5. a potato is a vegetable and a cherry is fruit. 6. my tooth is white

1. Put these knives on the tables.
2. These children's feet are sore.
3. Have these ladies knives?
4. These keys are made of steel.
5. Potatoes are vegetables and cherries are fruit.
6. My teeth are white