过去分词只有基本型吗

过去分词只有基本型吗?
请先 登录 后评论

查看全部 1 个回答

【1】Used economically, one tin will last for six weeks.【过去分词作条件状语】备注:以上过去分词短语?used economically?为“非谓语动词”作条件状语。【2】If it is used economically, one tin will last for six weeks.【条件状语从句作条件状语】备注:以上从句 if it is used economically 为“条件状语从句”作条件状语。?【1】The fruit was expensive, being imported.【现在分词被动结构作原因状语】备注:以上现在分词短语 being imported为“非谓语动词”作原因状语。特别备注(1):静态动词现在分词被动结构,只表示被动含义,不表示进行含义。(即being imported完全可以用imported取代/替换),静态动词现在分词主动结构,只表示主动含义,不表示进行含义。(静态动词现在分词被动结构相当于一般体被动语态结构),(静态动词现在分词主动结构相当于一般体主动语态结构)【A】The lake being surrounded by the mountains is very calm and clear.【静态动词现在分词被动结构】=The lake which is surrounded by the mountains is very calm and clear.【B】Tom needs a room facing south.【静态动词现在分词主动结构】=Tom needs a room which faces south.特别备注(2):动态动词现在分词被动结构,即表示被动含义,又表示进行含义。(动态动词现在分词被动结构相当于被动进行体结构)The boy being criticized by the teacher is named Tom.=The boy who is being criticized by the teacher is named Tom.【动态动词现在分词被动结构】【2】The fruit was expensive because it was imported.【原因状语从句作原因状语】备注:以上从句 because it was imported 为“原因状语从句”作条件状语。
请先 登录 后评论