Now reading this book 还是 Now read this book

Now reading this book 还是 Now read this book i have read this book twice now i'm reading it third time Good.Now read this book.改成否定句 We would like_____ (read) this book now.应该填什么 this book is too dificult for meto read now.please lend me Let's ----------(not read)the story in this book now.用适当的形式填 up to now只能与现在完成时连用吗?Up to now I have been reading this book she ( ) ( ) (read) a book now Have you read this book?It's worth reading.汉译 have you read this book? I've read this book. I have read this book