my gandpa usually exercise in the afternoon.（改为同义句）

my gandpa usually exercise in the afternoon.（改为同义句）
my gandpa usually exercise in the afternoon.（改为同义句）

my gandpa usually exercise in the afternoon.（改为同义句）
My grandpa usually exercise in the afternoon.=
My grandpa usually does exercise in the afternoon.=
My grandpa usually play/do sports in the afternoon.

My grandpa usually takes exercise in the afternoon .