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walk walking to walk walked
walk walked was walking am walking
when; that where; that where; when that; where
did I know that I know had I known I didn’t know
not until; did I learn until; that I learned not until; when I learned not until; that I learned
walk walking to walk walked
I would learn. I would have learned I had learned I learned
was used to walk got used to walk was used to walking used to walking
learned had learned have learned learn
though although as if when
learned; was opening was learning; opened learned; opened is learning; open
/ ; the a ; a / ; a a ; the
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