1、本课栏目开关语法感知知识储备is visitedis locatedwas designed语法感知wereproducedis knownwas builthas been completedis语法感知本课栏目开关语法感知知识储备has realizedisisis语法感知本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备are madewas givenwas writtenwere built知识储备本课栏目开关语法感知知识储备They were seen to p
2、lay football on the playground.Her homework is often done by her after school.She was heard singing an English song.The old are taken good care of by people there.知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备知识储备本课栏目开关语法感知知识储备have/hasareisareexplainslikes知识储备本课栏目开关语法感知知识储备
