we have not had to fight for many yeas against ous enemies.求翻译

we have not had to fight for many yeas against ous enemies.求翻译 we had to 与we have to有什么区别 - Can we have a future.- Come to this step had been sufficient.- Should not expect more啥意思! We have had to work out the solution这里 的“have had to”咋解释 this is not the first time we have had to navigate what we have earlier described as athis is not the first time we have had to navigate what we have earlier described as a shoalstrewn area of the law.求翻译.navigate这里是什么意思? even if l had known her adress ,l ()time to write to her a.can not have had b.will not have had c.must not have had d.might not have had详解 We ( ) wait for him.A.had not better B.had better notC.had not better to D.had better not to If we had not got everything ready by now ,we (have)__a terrible time tomorrow Yesterday Imet Sandy .We _ each other since _ middle school.A.have not seen ;finishedB.have not seen ;finishingC.had not seen ;finishedD.had not seen ;finishing ()for the snow yesterday ,we would have gone to climb the mountain.a,if it were not b.had it not been c.if it was not d.were it not 求详解语法句式 请问下面的英语单选怎么选,为什么多谢啦!______ for your help, we'd never have been able to get over the difficulties.A. If it were not B. Had it not been C. Had it not D. If we had not been He must have not had enough money to get something .这个句子中must have not had是什么语言现象 Not enough hands and money ,we had great difficulty in compeling the project on schedule.A hadB havingC to haveD have We did not know why they ------leave A had B had to C must Dmight We did not know why they ------leave A had B had to C must Dmight we will _____ not be following through on the merger.a ask forb thereforec consquenced in order toi would have come sooner if my daughter _____to go to the bathroom firsta hadnt have hadb had hadc hadnt haved hadnt had the problem will not be settled until we ()a chance to discuss it.为啥用have had而不用will have had我们不是还没有讨论吗,那不就用将来完成时,为什么用现在完成时?请详细解答 If it _ for the rain,we _ the picnic yesterday.A were not; could have hadB were not; could haveC had not been; could have had