The Continuous group
The general formula:
The auxiliary verb to be in the correspondent tense of Indefinite group + Participle I* of the notional verb.
*Participle I = the stem of the verb + the suffix -ing.
The general definition:
The Continuous group denotes an action in progress going on at the present moment or at a definite moment in the past or future.
There are the following tenses in this group: