关于able的用法辅导书上说able接不定式时,只能接肯定的、主动的不定式,不能接被动的不定式.需要时可由can代替:His voice was not able to be heard.(误)His voice couldn't be heard.(正)但朗文字典上给
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关于able的用法辅导书上说able接不定式时,只能接肯定的、主动的不定式,不能接被动的不定式.需要时可由can代替:His voice was not able to be heard.(误)His voice couldn't be heard.(正)但朗文字典上给
关于able的用法
辅导书上说able接不定式时,只能接肯定的、主动的不定式,不能接被动的不定式.需要时可由can代替:His voice was not able to be heard.(误)His voice couldn't be heard.(正)但朗文字典上给出的例句:I'd like to do more gardening ,but I never seem able to find the time.I haven't been able to read that report yet.这不是出现否定了吗?到底应如何理解【只能接肯定的、主动的不定式】ps:不要和我说辅导书错了,那本还是比较权威的.
关于able的用法辅导书上说able接不定式时,只能接肯定的、主动的不定式,不能接被动的不定式.需要时可由can代替:His voice was not able to be heard.(误)His voice couldn't be heard.(正)但朗文字典上给
首先,只能接主动的不定式,不能接被动的不定式,这一点,你所指出的朗文字典上给出的例句并没有违反;
其次,只能接肯定不定式,这是说,不能出现be able not to do,但是可以说not be able to.
可以接否定、肯定的,比如I‘m not able to dance.表示一种能力。但是able一般不用于否定,是用can 代替哦
可以接否定、肯定的
权威不代表没错