英语语法问题after searching for half an hour,she realized that her

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英语语法问题
after searching for half an hour,she realized that her glasses ____on the table all the time.为什么是had been lying?不能是have been lying?虽然之前的是realized但是后面不是有all the time吗?对现在也造成影响的不是现在完成进行时吗?

all the time 一直,可以是一直到现在,但也可以从过去到过去这段时间里一直做⋯ 再答：本句主句用了realized 过去时，其宾语从句中只能用相应的过去时态，不可以用现在完成时。
再问：那在这句话中如何判断时态？
再答：根据主句的realized 即可判断宾从中必须用相应的过去时态，即：一般过去时，过去将来时，过去完成时等。
再答：眼镜一直在桌子上，显然是在她意识到之前，从眼镜放在桌子上到她意识这一段时间里一直在桌子上。不是意识以后还在桌子上。
再答：欢迎继续问

英语语法问题after searching for half an hour,she realized that her （）in the queue for half an hour,tom sud denly realized that ____in the queue for half an hour,Tom suddenly realized that She always dance for half an hour.It takes her half to dance She runs with her dog in the park for half an hour.对划线部分提问 After watching______TV,she played_____violin for an hour. He kept ---(wait) for her for about half an hour. The bus came after I for about half an hour After school we usually play ____basketball for half an hour _____________walking after supper for over half an hour does after half an hour.是什么意思请问____in the queue for half an hour,Tom suddenly realized th