Tenses Questions Long
The future perfect continuous tense is used to describe an ongoing action that will be completed in the future before a specific time or event. When using this tense with 'by' and 'before', there are certain rules that need to be followed.
1. Using 'by':
When using 'by' with the future perfect continuous tense, it indicates that the action will continue until a specific time in the future. The time mentioned after 'by' is the deadline or the point at which the action will be completed.
For example:
- I will have been studying for five hours by the time my parents arrive.
- She will have been working on the project by the end of the week.
In these examples, the actions of studying and working will continue until the mentioned time (when the parents arrive and the end of the week, respectively).
2. Using 'before':
When using 'before' with the future perfect continuous tense, it indicates that the action will continue until a specific time in the future, but it will be completed just before that time.
For example:
- They will have been traveling for two days before they reach their destination.
- He will have been practicing the piano for hours before the concert starts.
In these examples, the actions of traveling and practicing will continue until just before the mentioned time (reaching the destination and the concert starts, respectively).
It is important to note that the future perfect continuous tense with 'by' and 'before' is often used to emphasize the duration of the action leading up to a specific point in the future. It shows that the action has been ongoing and will continue until the mentioned time or event.