ӢZZ֪Rcv/bZϣ ֪Rcv⣺ 1) Щ~һF(xin)ڕrɕr hear, tell, learn, write , understand, forget, know, find , say,remember. I hear (= have heard) he will go to London. I forget (=have forgotten) how old he is. 2) " It is since""It has been since " 3) It is (= has been) five years since we last met. ֪Rcv⣺bZ Z^ZǾӵĺ֮gЃɷNZһZ^Z֮ǰQȻZ(Natural Order);Z^Z֮tQ鵹bZ(Inverted Order)bZȫb(Full Inversion)Ͳֵb(Partial Inversion)ɷNr ȣȫbľҪ^ZZǰȥ(gu)ɵbZ 磺 There are large numbers of students in the lecture hall. (There beľʽThereֻǂ~ZZǺZ~~ZThere beľʽȫbľӡ)vdдČW When he ran to the door, there stood a mid-aged man with a lantern in his hand . (˾Ǟ"鹝(ji)Ҫ"ѵboֶζȫbӵZa mid-aged man^Zstood )TȥrǃһλһK\ ⣬ڲֵbľֻ^Zһ(B(ti)~~ϵ~be)ŵZǰȥ(gu)ɵbZ 磺Are you going to take part in the football match against Accounting Department on Friday afternoon? (ӵ^Zare going to take partareǾӵ^Zһ;ӵZyou ԣ˾DzֵbľɆ䶼Dzֵb)ȥcӋϵMеِ? Hardly could he finish his test paper when the school bell rang .(ZҪԭ䌑˲ֵbľȻZ(yng)ԓǣWhen the bell rang, he could hardly finish his test paper.)߀δԇn⏾ӢZYӍՈm(x)P(gun)עh(hun)˼پW(wng)