你这说的是need吗?had是have的过去式,所以had to当然就是have to的过去时了啊.举个例子说:He said that he had to go.他说他必须要走了.will是表示将来时的一个词,后面接原形.例句:We will have to finish the work tomorrow.我们将要在明天完成这项工作.结果...
,在英文中主要用来表示说话人的看法、态度等.它很接近中文里的能愿动词.从用法上来说,它有这样几个特点:1)各个情态动词自身都有一定的词义.2)情态动词不能在句中独立担当谓语.3)情态动词在句中不受任何人称,性,数变化的影响.4) 情态动词后接的不定式(除ought外)都不带to ,即接动词原形.英文中的情态动词...
主语+ will + have to + 动词原形 例如: •I will have to study for the exam. •She will have to finish the project by Friday. •They will have to clean their room before going out. 表达义务和责任 “will have to”通常用来表示一个人或一件事情所需的义务和责任。以下是一些常见的例...
Will have to 的用法主要有以下几种: 1. 表示必须做某事 例如:I will have to finish my homework before I can go out with my friends tonight.(今晚和朋友出去之前,我必须得完成我的作业。) 2. 表示对未来的预测 例如:If we don't start taking climate change seriously, we will have to face the...
will be able to:能够，强调的是一种能力。例如When you earn your keep, you will be able to do many things that your parents cannot。（当你自食其力，你能做许多你父母不会的事 ）will have to:不得不，表强制性。例如：I have to answer the question(我不得不回答那个问题）...
will be able to:能够，强调的是一种能力。例如When you earn your keep, you will be able to do many things that your parents cannot。（当你自食其力，你能做许多你父母不会的事 ）will have to:不得不，表强制性。例如：I have to answer the question(我不得不回答那个问题）...
1. be going to 有“计划,准备”的意思,而 will 则没有,如:She is going to go swimming. 她打算去游泳.He will be here in an hour. 他将在一个小时之内到达.2. be going to还可表示“有迹象做某事”,如:It looks as if it is going to rain.看起来似乎要下雨.二、will have是指将来会有....
情态动词有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等. 情态动词无人称和数的变化;不能单独使用,必须与其后的动词原形构成谓语 一、 can, could 1) 表示能力(体力、知识、技能). Can you lift this heavy box?(体力) Mary...
ought to 也是具有情态动词特征的，一般被译为“应该”，可用于表推测、建议，例如：That ought to be enough food for the four of us.（表推测）You ought to have come to the meeting. It was interesting.（表建议）HAVE TO have to 是具有情态动词特征的，其含义和用法与 must 相似，例如：Did she ...