The ground is wet,it must have rained yesterday.请问为什么The ground is wet,it must rain yesterday.不行

The ground is wet,it must have rained yesterday.请问为什么The ground is wet,it must rain yesterday.不行 It is raining outside now. The ground is getting and (wet) It is raining for two days.The ground is very wet.时态用错了吗？ The ground is really wet,it must-------last night.为什么填have rained the ground is wet than it was yesterday 这句话对吗 The sports ground is wet,for it ------- last night.A.has rainedB.rainedA为什么不能选? Look the ground is so wet .Look,the ground is so wet.Yes ,it seems as if it _______.A.rains B.rained C.were rained D.have been rained Look the ground is so wet .Look,the ground is so wet.Yes ,it seems as if it _______.A.rains B.rained C.were rained D.have been rained It must have rained last night,__ the ground is wet .A because B as C since D for The ground is wet ,so it must have rained last night,（ A hasn‘t it B didn’t it C mustn‘t it D doesn’t it today it was____,so the ground was-___ 1.rainy,wet 2.sunny,wet 3.foggy,dry 4.hot,wet 提问Ask the questions：1.____________________________________________No,it isn’t,but the ground is wet.2.____________________________________________No,thank you.I don’t drink tea.3.____________________________________________My father is read it is wet b( ) of the rainquickly it is wet b( ) of the rainquickiy 时态填空：It ___ (rain) heavily the whole night.The ground ___ (still be) wet now. for、because、as、since用法辨析1．It must have rained last night,___the ground is wet.2.The day breaks,___the birds are singing. 连词成句all,wet,ground,the,the,rain,heavy,of,because,is it ______last night,for the ground id wet.这里为什么要用must have rained