A great deal of time主语
was wasted谓语
playing(状语)(相当于in playing)
but并列连词
ought to have been fully used并列谓语,(与was wasted并列)
大量的时间被浪费用于玩耍了但本应该充分利用的.
A great deal of time主语
was wasted谓语
playing(状语)(相当于in playing)
but并列连词
ought to have been fully used并列谓语,(与was wasted并列)
大量的时间被浪费用于玩耍了但本应该充分利用的.