do to by for it if,怎样情况下用它们,意思各是什么,还有主语,宾语,谓语,动词,名词,分词什么的也解释下吧,

if you have a chance to do something for it do to by for it if,怎样情况下用它们,意思各是什么,还有主语,宾语,谓语,动词,名词,分词什么的也解释下吧, You can do everything,if it's important enough for you to do. if you want to known that you can do it by yourself i think it possible for you to do it by yourself句子成分划分 Do you think if it will ___long to prepare the project for themcost spend take get Do you think it's too hard for you (to finish)the work by yourself?为什么? if 从句,It was impossible for anyone to achieve success if he do not make efforts to practise.It is impossible for anyone to achieve success if he do not make efforts to practise.哪一个正确?顺便讲解一下! if you don not know hou to do it ,piease ask your teacher_some_ A.for,help B.for,helps 人口问题(Please answer it in english)1.Do you think that we should try to reduce the population by any means necessary?2.If so,please tell us how.3.If not,what do you think needs to change in order for the human species to continue its existence By the time he realizes he____into a trap,it`ll be too late for him to do anything about it Do you know ( )it takes very long to travel from earth to mars by space shuttle?A.why B.if C.how D.when理由if不行么？ They find it important for them to do that if they want to get a good job If you do not feel very well,it is important for you to go to see a doctor的翻译 if it is convenient for you 在后面可以不加 to dif it is convenient for you 在后面可以不加 to do do you think travelling it's good for us? it's good to relax by visiting intdo you think travelling it's good (for) us?it's good to relax (by) visiting interesting places.括号里面对吗? I am sure you will do the work well __A.if you apply yourself B.if you applied yourself to it.C.if you apply yourself for it.D.if you apply yourself it求详解 这句话中的he or she will expect to get it如何理解If you often say No.you will certainly be looked down upon by others.If asking for a job,one says something like Yes,I can certainly do itinstead of Let me have a try,he or she will expe