read
verb (used with object)
to look at carefully so as to understand the meaning of (something written, printed, etc.).
Used to describe a continuous action that will progress up until a designated point of completion in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Thou art reading, Thou was reading, Thou hast been reading, Thou had been reading, Thou shall or will be reading, Thou shall or will have been reading.
From The Grammar of English Grammars by Goold Brown