英语问题 Use your own words to paraphrase the following sentences

1.Jack forgets the book's name.
Jack can't remember the name of the book
2.Tom likes taking care of cats and dogs.
Tom is interested in looking after cats and dogs.
3.Jerry and Bill fight sometimes but they remain good friends.
Though Jerry and Bill fight sometimes,they are still good friends.
4.Mr Li always encourages his students.
Mr Li always gives encouragement to his students.
5.You won't be successful if you give up easily
You yill be successful unless you give up easily