Page 141 - University English for non-speacalist
P. 141
Present Perfect Continuous
This tense is used to talk about an action or actions that started in the past and continued until
recently or that continue into the future.
Forming the present perfect continuous
The present perfect continuous is made up of two elements: the present perfect of the verb 'to
be' (have/has been), and the present participle of the main verb (base + ing)
140
