1、Period Three语法感知本课栏目开关语法感知知识储备Period ThreeGrammar Antarctica，名词作主语it，代词作主语It是形式主语，to imagine a more inhospitable place是句子真正的主语Period Three语法感知It是形式主语，that people in a rich powerful place like Venice could not believe his stories是句子真正的主语Swimming，动名词作主语To see，不定式作主语The old，the形容词(表一类人)作句子主语Two，数词作主语本课
2、栏目开关语法感知知识储备Period Three语法感知holdsisis coveredhas adaptedare found本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备To learn English wellWhere he livesEvery means has been triedThose who want to take p
3、art in the activityTwothirds of them本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备本课栏目开关语法感知知识储备Period Three知识储备possessesbelongedburnsseeingwere introducedwearing 本课栏目开关语法感知知识储备
