可不可以说 have a bias on ...能用on

可不可以说 have a bias on ...能用on have a bias on sb / have a stereotype on sb . 有什么区别 可不可以说have also done 可不可以说have something like 词组about/on your person怎样用.可不可以说i have 20 yuan on/about my person go on a picnic等于have a picnic,have a trip等于take a trip那么可不可以说take a tpicnic或go on a trip?这里go on,have,take都是什么词呢? 1.have the flu还是have a flu,还是两者都可以?2.可不可以说have a high feve3.可不可以说have a heavy cold 可不可以说make a speech travel on a car?travel on a car,还可不可以说,travel in a car? have a good time 可不可以说 have got a good time? 可不可以说put my coat on me cold可不可数?cold当感冒时可不可数?如：i have a cold可不可以说 i have a lot of colds 可不可以说 We have a job for you as a musician. 可不可以说I have no seen him for a long time pain是否可数 可不可以说a pain 可不可以说make a friend with sb. 可不可以说send to me a letter 可不可以说 break off a friendship