The trucks brought them clothes that could (keep them warm) in winter.
The young men (kept their fists clenched) in triumph while screaming, shouting and doing small cances.
Sorry to have (kept you waiting) for so long.
keep +宾语 +宾补
eg. 1)The coat will keep you (warm). 形容词
2)Illness kept him (in bed for a week). 介词短语
3)I’m sorry to keep you (waiting for a long time). 现在分词,与宾语you 是主动关系
4)They kept their marriage (a secret). 名词
你的第一句和第二句warm和clenched是形容词
第三句是现在分词
括号是你自己打的吧
第一个是 定语从句
第二个是 谓语接宾语宾补 ed表被动
第三个是 同上 ing表主动
应该是定语,因为定语是用来说明名词(代词)的品质与特征的词或一组词。可用作定语的有形容词、名词、代词、数词、副词、不定式、动名词、分词、介词短语、从句和句子等。
including是动名词,aspects是名词。