英语翻译1当我到那时,音乐会已经开始了2我们在六点以前就到商店了3我告诉他我已经学过英语了.4当医生赶到时.病人已经死了,都与过去完成时有关吧,不要机器哦

1.When I arrived at that time, the concert had already started.
2.we will arrive before 6 o 'clock in the shops .
3.I told him I had studied English.
4.when the doctor arrived. Patient is dead.

1.When I got there,the concert has already begun.
2.We reached the shop before six o'clock.
3.I told him I have learned English.
4.The patient was already dead when the doctor arrived.