作业帮I couldn't hear you clearly.这里的could是can的过去式吗?还是作助动词,表示允许、许可]能,可以?I couldn't hear you clearly.这里的could只是can能的过去式吗?还是作助动词,表示允许、许可]能,可以?还是[用
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![I couldn't hear you clearly.这里的could是can的过去式吗?还是作助动词,表示允许、许可]能,可以?I couldn't hear you clearly.这里的could只是can能的过去式吗?还是作助动词,表示允许、许可]能,可以?还是[用](/uploads/image/z/10598409-9-9.jpg?t=I+couldn%27t+hear+you+clearly.%E8%BF%99%E9%87%8C%E7%9A%84could%E6%98%AFcan%E7%9A%84%E8%BF%87%E5%8E%BB%E5%BC%8F%E5%90%97%3F%E8%BF%98%E6%98%AF%E4%BD%9C%E5%8A%A9%E5%8A%A8%E8%AF%8D%2C%E8%A1%A8%E7%A4%BA%E5%85%81%E8%AE%B8%E3%80%81%E8%AE%B8%E5%8F%AF%5D%E8%83%BD%2C%E5%8F%AF%E4%BB%A5%3FI+couldn%27t+hear+you+clearly.%E8%BF%99%E9%87%8C%E7%9A%84could%E5%8F%AA%E6%98%AFcan%E8%83%BD%E7%9A%84%E8%BF%87%E5%8E%BB%E5%BC%8F%E5%90%97%3F%E8%BF%98%E6%98%AF%E4%BD%9C%E5%8A%A9%E5%8A%A8%E8%AF%8D%2C%E8%A1%A8%E7%A4%BA%E5%85%81%E8%AE%B8%E3%80%81%E8%AE%B8%E5%8F%AF%5D%E8%83%BD%2C%E5%8F%AF%E4%BB%A5%3F%E8%BF%98%E6%98%AF%5B%E7%94%A8)
I couldn't hear you clearly.这里的could是can的过去式吗?还是作助动词,表示允许、许可]能,可以?I couldn't hear you clearly.这里的could只是can能的过去式吗?还是作助动词,表示允许、许可]能,可以?还是[用
I couldn't hear you clearly.这里的could是can的过去式吗?还是作助动词,表示允许、许可]能,可以?
I couldn't hear you clearly.这里的could只是can能的过去式吗?
还是作助动词,表示允许、许可]能,可以?还是[用于婉转语气、有礼貌地提议,比用can 更具婉转含义]
I couldn't hear you clearly.这里的could是can的过去式吗?还是作助动词,表示允许、许可]能,可以?I couldn't hear you clearly.这里的could只是can能的过去式吗?还是作助动词,表示允许、许可]能,可以?还是[用
嗯,表委婉这里