1、Period ThreePeriod ThreeGrammar are movinghas been语法感知本讲栏目开关语法感知知识储备Period Threewill disappearareis语法感知本讲栏目开关语法感知知识储备Period ThreeYou are meeting them next weekWhere should I take them tobecause it is morecomfortablethey prefer to see语法感知本讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备本讲栏
2、目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备visitsgoesrisessetshe arrives tomorrow本讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备is always coming lateis taking offare having a meeting本讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备本
3、讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备have finishedhas livedhas doneIt is/has been five years本讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备本讲栏目开关语法感知知识储备Period Three知识储备is going to rainwill visit some places of interestis about to startis to visit America 本讲栏目开关语法感知知识储备
