I think its °while she was doing her homework°
<span>The author describes the health and physical condition of the member of the swim team. He writes about his condition is excellent then tells of a limp that he may have. This is an indication that there will need to be a backup swimmer in "A Relay Race to Remember".</span>
I would say its an imperative verb, because its giving a command.
“Fahrenheit 451“ (1966). ...
“2001: A Space Odyssey“ (1968). ...
“Planet of the Apes“ (1968). ...
“THX 1138“ (1970). ...
“A Clockwork Orange“ (1971). ...
“Soylent Green“ (1973). ...
“Blade Runner“ (1982). ...
“Nineteen Eighty-Four“ (1984).