We use will/shall + have sầu + been + the -ing size of the verb.
Bạn đang xem: They have worked in that factory for 10 years
We use shall only for future time reference with I and we. Shall is more formal & less common than will.
singular và plural | |||
+ | I, we she, he, it, you, they | (full form) will or shall will | have been working |
I, she, he, it, you, we, they | (short form) ’ll | ||
− | I, we she, he, it, you, they | (full form) will not or shall not will not | have been working |
I, we she, he, it, you, they | (short form) won’t or shan’t won’t | ||
? + Will ? − Won’t | I, she, he, it, you, we, they | have sầu been working? |
We use the future perfect continuous khung when we are looking back to lớn the past from a point in the future & we want khổng lồ emphasise the length or duration of an activity or event:
In September the head teacher will have sầu been teaching at the school for trăng tròn years.
In September, she will have been living in France for a year.
I will have been studying English for three years by the over of this course.
We’re late. I think they’ll have sầu been waiting for us. We’d better go.



Adjectives & adverbsEasily confused wordsNouns, pronouns & determinersPrepositions và particlesWords, sentences và clausesUsing EnglishVerbs

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