pass to 的过去式能用passed to吗?

pass to 的过去式能用passed to吗? pass的过去式是passed和past吗? pass的过去式和过去分词不是passed,passed吗?那为什么有人说past是pass的过去式?past不是pas 1.求pass的过去式passed,past的区别. pass的过去式和过去分词分别是passed和past吗? pass过去式passed发什么音 pass on,pass to和pass on to的区别. passed 和pass的区别 I failed to pass...表示过去,为什么不能是I fail to passed? To their surprise为什么不能用过去式? pass on,pass to,pass on to! they tired to pass the exam,but（）of them has passed