問 原來以為只有(you)雇主和雇員才(cai)有(you)合同關系，今(jin)天(tian)才(cai)發現自(zi)己很(hen)無知，請問合同有(you)哪(na)些類型？

答 （1）單(dan)務(wu)(wu)(wu)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)和雙務(wu)(wu)(wu)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong) 　　單(dan)務(wu)(wu)(wu)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)當(dang)事(shi)人僅有(you)(you)(you)一(yi)方(fang)承擔義務(wu)(wu)(wu)。　雙務(wu)(wu)(wu)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)雙方(fang)當(dang)事(shi)人互負(fu)對待給(gei)付(fu)(fu)義務(wu)(wu)(wu)的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)關系。 （2）有(you)(you)(you)償合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)和無償合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong) 　　有(you)(you)(you)償合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)一(yi)方(fang)通過履行合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)規(gui)定(ding)(ding)(ding)的(de)(de)義務(wu)(wu)(wu)而給(gei)付(fu)(fu)對方(fang)某種利益(yi)，對方(fang)要得(de)到該(gai)利益(yi)必(bi)須為(wei)此支付(fu)(fu)相應代價的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。 　　無償合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)一(yi)方(fang)給(gei)付(fu)(fu)某種利益(yi)，對方(fang)取(qu)得(de)該(gai)利益(yi)時并(bing)不(bu)支付(fu)(fu)任何報酬的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。 （3）有(you)(you)(you)名(ming)(ming)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)和無名(ming)(ming)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong) 　　有(you)(you)(you)名(ming)(ming)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，又稱典(dian)型(xing)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)法律上已經(jing)確(que)定(ding)(ding)(ding)了一(yi)定(ding)(ding)(ding)的(de)(de)名(ming)(ming)稱及規(gui)則的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。 　　無名(ming)(ming)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，又稱非典(dian)型(xing)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)法律上并(bing)未確(que)定(ding)(ding)(ding)一(yi)定(ding)(ding)(ding)的(de)(de)名(ming)(ming)稱及規(gui)則的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。 （4）要式(shi)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)和不(bu)要式(shi)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong) 　　要式(shi)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)法律規(gui)定(ding)(ding)(ding)或(huo)當(dang)事(shi)人約定(ding)(ding)(ding)必(bi)須采取(qu)特(te)殊形(xing)式(shi)訂立的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。 　　不(bu)要式(shi)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)依(yi)法無需采取(qu)特(te)定(ding)(ding)(ding)形(xing)式(shi)訂立的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。 （5）主合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)和從(cong)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong) 　　主合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)不(bu)依(yi)賴其他(ta)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)而能獨立存在的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。 　　從(cong)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，是(shi)(shi)指(zhi)以其他(ta)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)存在為(wei)存在前(qian)提的(de)(de)合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)，又稱為(wei)附屬合(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)(he)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)。