at the end of是什么时态标志?by the end of是什么时态标志?

Question

如题所述

Answer 1

两者的时态标志都不明显，如：
The
sky
hazed
over
at
the
end
of
the
day.
过去
The
account
is
settled
at～the
year.
现在
She’ll
present
flowers
to
the
actress
at～the
play.
将来
字限，后者例略

Answer 2

by
the
end
of
与过去完成时连用
at
the
end
of
一般和过去时一起
这两个词组，第一个是过去完成时的标志词
后一个不太和时态放在一起说，
at
the
end
of
要加名词