为什麽在We need to come up a plan中come不是coming,to是介词,加动词ing形式啊?

为什麽在We need to come up a plan中come不是coming,to是介词,加动词ing形式啊? We need to come up with some ideas. We need to come up with a plan. We need to come up with some ideas请问这个句子变成否定句是在need后加not还是在前边加don‘t?为什么? 连词成句need come we with some up to ideas success will not come of i___.we need to work hard . I'll come straight to the p______---we need more money I think we need to _____ a plan.A.come up B.come up with C.coming up with We need to come up with a plan 句中 come up with 是复合介词吗 he doesn't need to come if he feel sick为什么是doesn't need to come 而不是needn't to come讲清为什么或语法知识重点说明为什么doesn't need to come 英语翻译We need to take a fresh look at this matter.Otherwise,we won't come anywhere near solving it If the president _____ (plan) to come to the meeting,we _______ (need,write) a more detailed report we need to make some 英语中没有need not do sth.( ) 10.You ------------ to the meeting tomorrow if you have something important to do.A.needn’t to come B.don’t need come C.don’t need coming D.needn’t come答案好像是D,A选项是错误的吧?B选项为什 You __to school tomorrow if you go to look after your mother in the hospital.答案为什么是need not come 而不是need not to come 英语翻译Let's chheer him up.We're going to set up a food bank to help hungry pepole.We need to come up with some idea. we need discuss 还是we need to discuss need to do sth.可以用于否定句或疑问句中吗?need do sth.可以用于肯定句中吗?就是说有没有“Do we need to come tomorrow?”、“I need come there tomorrow.”、“I need come there tomorrow.”刚才打错了，有没有You