wich can be heard call over the world on the B.B.C.这里出现情态动词can 后面不是要用原型吗?为什么hear要去过去分词heard了?

wich can be heard call over the world on the B.B.C.这里出现情态动词can 后面不是要用原型吗?为什么hear要去过去分词heard了? wich word starts with T,ends with T,and can be full of the last word can be heard Wich year is the last year that can be divided by 37 in the 20th century There is too noisy,i can't make myself ( ).A.hear B.heard C.to heard D.be heard passing planes can be heard night and day.You_______them all the tiem.A can head B can to hear C can hear D can be heard I speak loudly so that i can make myself__(hear) 为什么是heard,而不是to be heard passing planes can be heard night and day.这里的papassing planes can be heard night and day.这里的passing是动名词还是现在分词 What is weong with you -The voice _____,A.can not be heard B.can not be listened passing planes can be heard night and day 中的passing 什么词性 为什么这样用 passing planes can be heard night and day请问pass在这为何加ing ---Do you believe there are aliens?---i'm afraid not.i don't think aliens ____in space.a,can find b,can be found c.can be founded d,can't be foundMary _____many songs at a party.a.heard sing b.heard to sing c,was heard sing d,was heard to singan acci Familiar with the song which can be heard,familiar to anyone but how also can not find Familiar with the song which can be heard,familiar to anyone but how also can not find I live near an airport and passing planes can be heard night and day.这里为什么用heard 不是应该用一般时态吗 hear Can you make youself heard? Can not find or load afile wich is required to execute the game. The gradients for sand wich be/is/are/不填 very simple.选哪个?