jueves, 10 de mayo de 2012


Perfect Progressive Forms

Present Perfect Progressive

Present perfect progressive tense describes an action that began in the past, continues in the present, and may continue into the future. This tense is formed by using has/have been and the present participle of the verb (the verb form ending in -ing).
The CEO has been considering a transfer to the state of Texas where profits would be larger.

Past Perfect Progressive

Past perfect progressive tense describes a past, ongoing action that was completed before some other past action. This tense is formed by using had been and the present perfect of the verb (the verb form ending in -ing).
Before the budget cuts, the students had been participating in many extracurricular activities.

Future Perfect Progressive

Future perfect progressive tense describes a future, ongoing action that will occur before some specified future time. This tense is formed by using will have been and the present participle of the verb (the verb form ending in -ing).


HERE SOME LESSONS



Present Perfect Progressive


Past Perfect Progressive


Future Perfect Progressive