I am + V-ing
结构︰主词+am(are,is)+现在分词
说明︰此句型意为 主词(人,物)正在。现在进行式用于表示现在正在进行的动作或暂时性的动作,常和 now,still,at this time 等副词词组)连用。而简单现在式用于表示现在的事实,习惯或状态,常和 every day,usually,always 等副词词组)连用。
Bill is singing. 比尔正在唱歌。
Linda is cooking. 琳达在烹饪。
My father is sleeping. 我父亲在睡觉。
Mother cooks dinner every evening. 妈妈每天晚上做晚饭。
She is cooking in the kitchen now. 她现在正在厨房里做饭。
Father walks to his office every morning. 爸爸每天早上走路去上班。
He is walking to his office now. 他现在正在走路去上班。
Mary sings in her room every afternoon. 玛丽每天下午在她房间里唱歌。
She is singing in her room now. 她现在正在她房间里唱歌。
an interesting movie
结构︰主词+动词+a/an+(very)+现在分词+名词(物)。
说明︰情绪动词如 interest,excite,satisfy,bore,confuse,trouble 等,要修饰事物,常用现在分词现在分词含有主动或动作正在进行的意味。
That is an interesting movie. 那是一部令人有趣的电影。
That is an exciting game. 那是一场令人兴奋的比赛。
That is a satisfying book. 那是一本令人满意的书。
Have you + V-ed ?
结构︰Have/Has+主词+过去分词+?
说明︰将助动词 have(has)提到句首,即构成现在完成式的疑问式。
Have you had your lunch? 你已吃过午饭吗?
Has she ever written a letter to Mark? 她曾经写信给马克吗?
Have you found the pen you lost yesterday? 你找到昨天丢失的钢笔了吗?
a troubled student
结构︰主词+动词+a/an+(very)+过去分词+名词(人)。
说明︰情绪动词如 interest,excite,satisfy,bore,confuse,trouble 等,要修饰人,常用过去分词过去分词含有被动或动作已经完成的意味。
He is a troubled student. 他是一位感到苦恼的学生。
He is an interested person. 他是一位表现兴趣的人。
He is a bored student. 他是一位感到厌烦的学生。
I have written a letter.
结构︰主词+have(has)+过去分词+。
说明︰现在完成式用于表示过去某时发生的事情,直到现在才完成,或继续到现在,或其结果影响到现在,它的肯定式由 have(has)+过去分词构成,其中 have或 has 是助动词,当主词是第三人称单数(he,she,it)时,用 has,其余人称用 have.
I have written a letter. 我已经写了一封信。
Mary has studied English for three years. 玛丽研读英语已有三年。
He has liked dogs since he was a child. 自从他是小孩时,他就喜欢狗。
is ed by
结构︰主词+be 动词+过去分词+by+受词。
说明︰将主动句改为被动句时,先将主动句的主词变成被动句的受词,再将主动句的及物动词改成be+过去分词,且须注意 be 动词的时式要与主动句的及物动词时式相同,最后将主动句的主词变成被动句 by 的受词.
The news is widely spread by them. 这一消息被他们广为传播。
Vegetables are needed every day by us. 蔬菜每天被我们所需要。
This letter was typed by Alice this morning. 这封信在今早被艾丽斯用打字机打过了。
will be V-ed by
结构︰主词+will be+过去分词+by+受词。
说明︰将现在式被动句的 be 动词(am,is,are)改为 will be,是构成未来式被动句的一种方法。
That book will be brought by Mary tomorrow. 那本书明天将被玛丽带来。
That car will be washed this afternoon. 那部汽车今天下午将会被洗。
The building will be opened next month. 那栋大楼下个月将营业。
be going to be V-ed by
结构︰主词+be going to+be+过去分词+by+受词。
说明︰在现在式被动句的 be 动词(am,is,are)后加 going to be,是构成未来式被动句的另一种方法。
These clothes are going to be washed by her. 这些衣服将由她来洗。
A birthday cake is going to be brought to the table by the cook.
一只生日蛋糕将被厨师放到桌子上。
Music is going to be taught by Miss Lin. 音乐课将由林小姐来教。
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