为什么是It seemed that 不是It is seemed that?为什么it作形式宾语只能说I found it hard to do sth.而不能说I found it is hard to do sth.?

it seemed certain that 为什么是It seemed that 不是It is seemed that?为什么it作形式宾语只能说I found it hard to do sth.而不能说I found it is hard to do sth.? 用it seemed that造句 It seemed that后接什么从句 it seemed that从句中用什么时态 after-----seemed a long time ,he apeared again 为什么填what,不填it 或者that It seemed that he was very happy 中的that是什么意思 It seemed that he was hanppy that引导什么从句? 为什么是It is said that 而不是It said that It seemed that he was very cute He seemed ____ ____very cute it seemed water is becoming less and less 为什么不在seemed后加that it seemed ai if the world was at an end.虚拟语气为什么是was在线等@2@2@ It seemed to be scores of people waiting for the lecture in the hall.为什么是错的? it seemed that after what was a long time she began to wake up解释为何用what It seemed that he was very happy的同义句 It seemed that was ill yesterday.（同义句）【急】 It seemed that they were speaking to me in p____. It seemed that Nancy was very sleepy. Nancy[ ][ ][ ]very sleep