To use the present perfect tense in the passive voice, use been (the past participle of the verb be) before the past participle of the main verb. The formula for using the present perfect in the passive voice is
Grammar practice worksheets: USED TO DO, BE USED TO/GET USED TO... - GRAMMAR-GUIDE + SOME PRACTICE Level: intermediate Age: 10-17 Downloads: 1215 PAST SIMPLE-GRAMMAR PRACTICE Level: elementary Age: 10-17 Downloads: 965 PASSIVE VOICE- GRAMMAR REFERENCE AND PRACTICE Level: intermediate ...