We can also use the future perfect simple to talk about the duration of a situation until a certain time in the future (with stative verbs). By the time I leave, I will have been in England for 6 months. In 2 years, we will have been married for 20 years. Future perfect continuous. We use the future perfect continuous with dynamic verbs to talk Future: other expressions to talk about the future - gramática inglés y uso de palabras en "English Grammar Today" - Cambridge University Press 1: Just like with the other perfect continuous tenses (and the future perfect simple ), we can use the future perfect continuous to say 'how long' for an action that continues up to another point in the future. The second point can be a time or another action. Generally, we need 'for + length of time' and if we use 'when' or 'by the time', we They will be celebrating by this time next year. Future Perfect Tense. Time Expressions: By (a certain time in the future) In (a number of) days/weeks/months/years' time; Examples: He will have completed the project by next week. They will have lived here in ten years' time. Future Perfect Continuous Tense. Time Expressions: For; By (a 3) Definite time expressions with prepositions: When defining a spacial area, the prepositions "an", "in", "vor" are so-called two-way prepositions, which take either the accusative or the dative. But in time expressions, they take the dative. The preposition "an" is mostly used for parts of the day (except for "die Nacht") and days of the week. The future perfect looks back from a particular time so it's common to have time phrases in a future perfect sentence. by + time/date/occasion: By 2020 this city wlll have doubled in size. Verb tenses are changes or additions to verbs to show when the action took place: in the past, present, or future. The phrase verb tense is also used for grammatical aspects, which add more details about the duration or time an action takes.When you combine the four grammatical aspects with the past, present and future, you end up with twelve main verb tenses in English. We use the future perfect for activities that will be completed before or at a certain time in the future. It is often used with a time expression beginning with by: by then, by that time, by midnight, by the end of the year. The time can also be given by other time expressions (on Sunday, before 31 June) or other actions. The past perfect progressive, also past perfect continuous, is used for actions that were in progress shortly before a past time and to emphasise the process of past actions. We form this tense with had + been + present participle. Learn about the past perfect progressive in English grammar and test yourself in the free online exercises. Test 9: 'Be going to' and future time expressions. Choose the correct answer. She going to buy a new coat. She's going to buy a new coat. She's going to buying a new coat. We're going to do our homework. We going to do our homework. LEJI0y.