If we want to speak English well, understand English well, write English well it is necessary to find out how to understand English grammar. How we use English verb forms (tenses) is essential to developing good communication in English. It isn’t necessary to be absolutely grammatically correct to speak English fluently, but it helps
This is part of a series of master classes about how we use English grammar correctly. I am not going to talk about how we construct the verb form but I want to give the basic concepts of how these grammatical forms are used by native English speakers. If you want to see my advice and tips of how to construct English verb forms see here
All perfect verb forms
Present Perfect Continuous
Past Perfect Continuous
Future Perfect Continuous
tell us something about an action, series of events or a situation that happened before a certain time:
The Future Perfect
The Future Perfect tells us something that will be finished at a time before a moment in the future.
The students will have finished their exam by 3.00pm
The exam starts at 12.30pm, it is a two hour exam.
In June 2011 Joseph and Maria will have been married for 50 years
They got married in 1961, now it is 2010. They have been married for 49 years now. But next year they will have been married for 50 years