Labels:book | bookcase | bulletin board | door | earth | person | river | rock | sky | vegetarianism OCR: Tense Choice Part of Verb Used Example Present infinitive I walk home Present progressive be present participle am walking home Present emphatic do infinitive Ido Yhk home Present perfect have or has + past participle I have walked home Present per fect have or has + be past participle have been walking progressive present participle home Past past I walked! home Past progressive be (past) present participle I was walking home Past emphatic do (past) nfinitive I did home Past perfect had + past participle I had walked home. Past perfect had be (past participle) + present I had been walking progressive participle home Future will (or shall) infinitive I will Yik home Future progressive will (or shall) be (nfinitive I will be walking present participle home Future perfect will (or shall) hav ...