The pencil is long on the desk和The pencil on the desk is lon

The pencil is long on the desk和The pencil on the desk is lon （who)pencil is on the desk? the pencil on the desk is new 可不可以说成 the pencil on the table 1:连词成句the,desk,pencil,long,is,on,the there is a pencil sharpener on the desk改成疑问句 there be句型怎么 变疑问句和否定句 there is a pencil on the desk my pencil case is on the desk .There is an eiaser in it.the 英语帝来一下My pencil case is on the desk.[对on the desk提问]Are your there is a pencil on the desk （改否定句）__ __ __ __ on the desk What is on the desk?-------a pencil case.A.it is B.this is C yours,the,box,on,is,pencil,desk,the连词成句 The pencil is still on the desk.中still是什么词性?用来修饰哪个词?