English...tenses....

In English, there are three basic tenses: present, past, and future. Each has a perfect form, indicating completed action; each has a progressive form, indicating ongoing action; and each has a perfect progressive form, indicating ongoing action that will be completed at some definite time. Here is a list of examples of these tenses and their definitions:

Simple Forms

Present
take/s
Past
took
Future
will/shall take

Progressive Forms

Present
am/is/are taking
Past
was/were taking
Future
will be taking

Perfect Forms

Present
have/has taken
Past
had taken
Future
will have taken

Perfect Progressive Forms

Present
have/has been taking
Past
had been taking
Future
will have been taking