Collins Cobuild

participles, a present participle and a past participle.
See Units
3
,
34
,
57
,
69
,
71
–
72
,
94
particle
 an  adverb  or  preposition  which  combines  with  verbs  to  form
phrasal verbs.
See Unit
50
passive voice
verb groups such as ‘was given’, ‘were taken’, ‘had been
made’, which are used when the subject of the verb is the person or
thing that is affected by the action. Compare with
active voice
.
See Units
70
,
78
past form
the form of a verb, often ending in ‘–ed’, which is used for the
past simple tense.
See Units
3
,
59
past  participle
 a  verb  form  which  is  used  to  form  perfect  tenses  and
passives. Some past participles are also used as adjectives; eg watched,
broken.
See Units
3
,
57
,
70
,
94