be动词怎么用( 三 )


【练习】用be,smell,taste,go,get,become,grow,seem,look,feel,turn的适当形式填空: 1. You very young. 2. At first those questions (看上去)easy, but later I found them difficult.3. After the sports meeting, he very tired. 4. My younger brother (成为) a student last year. 5. When we up(长大), we're going to help build up our country. 6. The flowers very sweet. 7. Her face (变成)red. 8. Jack very happy. 9. Now the mooncake good. 10. The meat bad yesterday.【答案】 1. look/are 2. seemed 3. felt/was 4. became 5. grow6. smell/are 7. turned 8.looks/is 9. tastes/is 10.went/was 二、助动词be Be可以用作助动词,无词义,辅助主要动词一起在句中作谓语动词 。用法如下: 1. be+doing:构成进行时态,有现在和过去两种进行时态 。
如:The girls is reading and copying the new words now.女孩子们现在正在朗读、抄写新单词 。Young Tom was having an English class at this time yesterday morning.小汤姆昨天这个时候正在上英语课 。
2. be+done:构成被动语态(主语是动作的承受者,done必须是及物动词) 。如:Tea is grown in my hometown.(一般现在时的被动语态) 我们家乡种茶叶 。
This building was built three years ago.(一般过去时的被动语态) 这幢楼是三年前造的 。Our classroom has been cleaned and tidied already.(现在完成时的被动语态) 我们的教室已经打扫、整理过了 。
How could this kind of cakes be made in your home?(含情态动词的被动语态) 这种蛋糕怎么能在你家里制作呢?That is a day never to be forgotten.(动词不定式的被动语态) 那是永远无法忘记的一天 。3. be+going to do,表示“打算或将要做某事”,be有现在和过去两种形式 。
如:We are going to plant trees in the park tomorrow. 明天我们将到公园里去种树 。I didn't know if she was going to come here.我不知道她是否到这里来 。
4. be+to do,表示“按计划安排将要做某事” 。如:The new shop is not to be opened till next Monday. 这家新店将要到下周一才开业 。
One night an angel came to Mary and told her that she was to have this special boy.一天晚上,一个天使到玛丽那里并告诉她将诞生一个特殊的婴儿 。【练习】翻译下列句子1. 他们现在正在开会 。
They a meeting now. 2. 如今英语越来越重要了 。English more and more important these days.3. 窗户是汤姆打碎的 。
The window by Tom last week. 4. 世界各地都教英语 。English all over the world. 5. 他下周要去纽约 。
He New York next week.6. 我们要教新的学生 。We the new students.7. 他们昨天这个时候正在开会 。
They a meeting at this time yesterday. 8. 明天我们将到公园里去种树吗? we trees in the park tomorrow?【答案】1.are having 2. is becoming 3.was broken 4.is taught 5.is to go to 6.are to teach 7.were having 8.Are, going to plant 三、there be句型 Bbe可以用在there be 句型中 。there be句式为:there be+主语部分+状语部分,表示“某处存在某物”,有现在时、过去时和将来时等时态 。
如:Oh, cool! And there are many things to see. There is even a deer park in Sanya.哦,真酷!三亚有许多可看的东西,那儿甚 。
5.be动词具体用法be是一个连系动词,它有自己不同的形式 现在时:be 进行时:being 过去时:was/were 过去分词:been 它的后面必须跟形容词或名词作表语,与之构成系表结构,充当句子的谓语 。
i am a student主语:i 谓语:am a student(系表结构) being是它的现在进行时态,一般不单独用,而是用于现在进行时的被动语态 。(being+动词过去分词) the bike is being repaired.单车正在被修理中 。
it is being finished by him这正在被他完成中 。been是它的过去分词,也不一般单独使用,而是用于现在完成时、过去完成时以及需要它的句子 。