There is a lake in the forest.怎么变成否定句?加not 还是no?书上有例句There are no tall buildings.急用!

Is there a lake in the nature park?该否定 There is a big lake in our city改为疑问句 There is a boat in the m_______of the lake a there duck is the lake in连词成句 there is a lake near Is there water in the lake （ ）There is a boat_____the lake.______the left side of the lake,there is a hill.A.in;At B.on;At C.in;At D.on;On In the middle of the park,there is a big lake we call it Gexian Lake.的意思 there is a t_______________________________ near the lake.who is in it? There is a lake in the park and there are fish in it.这里为什么用 is 和 are there is a lake in the nature park 改为一般疑问句 There __ not any fish in this lake.A.is B.have C.are D.has There is a beautiful i____ in the middle of the lake There is（） a lake in itA）also B)too C)still D)yet 首字母填空,There is a boat in the c( ) of the lake（急, there is a lake （in the park）对划线部分提问急 there is a boat in the lake下列句子中哪错了 There is a boy _____ (swim) in the lake.说明原因