Sarah was angry at her coach because he refused to listing to excuse
ربطنا ال main clause ب because
وهي احدى ادوات الربط ل subordinate clause
لو شلنا because من الجمله الثانيه صارت main clause
ادوات الربط لـ subordinate clause
هي 20 تجي في بداية الجمله وتحولها من main clause لـ subordinate clause
وهي after
although
even thought
thought
as
as if
as long as
because
before
if
since
so that
than
that
unless
until
when
whenever
wherever
while