the book of lost tales

Can someone help me translate the following fragments from Tolkien's poem The Little House of Lost Play: Mar Vanwa Tyalieva into Quenya : 1. You and I [?Elyë ar nin/ “to You and me”: elyenen at ninna] 2. In the old days…[?Auri andassen…] 3. …now long gone by [?...sí andë pan öa...

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okay, the book is really cool, but i can't concentrate, and then i get lost, then i stop reading it and forget everything and have to read it over again. so all in all, i've read the first couple chapters at least 8 times, but i'm still confused on what's going on. does anyone have suggestions...

It's really difficult to read because of Christopher Tolkien's add ins (how he has pages dedicated to his father's thinking, and how the story became true) I get very bored easily at this part of it. Anyone have any idea how I can get through this book and actually enjoy it?

Is it just my copy or does the book of lost tales 1 refer to Melkor as Melko?

In the Book of Lost Tales, Part I, Tolkien often has tense changes in the middle of a paragraph, or sometimes even a sentence. Why is that? Also, the word "an" is used quite a bit, and it seems to be a substitute for "and"??