Это предложение в котором есть так сказать дополнение
Пример: my bike, which is very cold, is broken
Which is very cold это и есть то что определяет что это embedded sentence
1) fish swims<span>. 2) Delicious <span>fish! 3) <span>Goldfish. 4) beautiful fish<span>! 5) my goldfish<span>! 6)<span>Fried fish. 7) <span>Sea fish 8) The huge <span>fish! 9) Lovely fish<span>. 10) I've got a <span>fish!</span></span></span></span></span></span></span></span></span></span>
Our letter must be sent tomorrow.This book should be read at the weekend .this money should be returned.he needs to call tomorrow .he may not be invited to a party.They must be informed.