到你回来时，我已经读完这本书了。

By the time you came back, I had finished reading this book.

youdao

如果我已经读完这本书，我就给你煮咖啡。

If I have finished reading this book, I will boil coffee for you.

youdao

我已经读完这本书了。

I have finished reading this book already.

youdao

我已经读完这本书了。

I have finished reading the book already.

youdao

我差不多已经读完这本书了。

I've more or less finished the book.

《牛津词典》

我已经读完了这本书。

I have finished reading the book.

youdao

我再需要一本书，这本已经读完了。

I need another book, I've finished this one.

youdao

我再需要一本书，这本已经读完了。

I need another book, I've finished this one.

youdao