题目内容：

求动词过去式+复数+ing
过去式:stop study build drin drive draw eat feed fly find grow hear lend lose make ride say speak stand sweep spend swim think teach read begin bring buy hoid know keep leave feel throw write can
复数：boy shelf toy dictionary country knife tomato
ing形式：take come put

优质解答

过去式stopped studied built drank drove drew ate fed flew found grew heardlent lost made rode said spoke stood swept spent swam thought taught read began brought bought held knew kept left feel threw ...