-erand -irverbs whose stem ends in ñor lldrop the i from the regular
ending:
gruñir gruñendo grunt
bullir bullendo seethe/boil
Irregular past participles
The commonest are:
abrir abierto open
cubrir cubierto cover
decir dicho say
escribir escrito write
freír frito fry
hacer hecho do
morir muerto die
poner puesto put
resolver resuelto resolve
romper roto break
ver visto see
volver vuelto return
Absolver‘absolve/acquit’ and disolver ‘dissolve’ follow the pattern of
resolver.
Compound tenses
The perfect, pluperfect, future perfect and conditional perfect tenses are
formed using either the present, imperfect, future or conditional of the
auxiliary verb haber+ a past participle.
Table 10.30 illustrates the pattern of formation.
10.9
10.8.2
10.8.1.3^1111
2 3 4 5 6 7 8 9
1011
1
12111
3 4 5 6 7 8 9
20111
1 2 3 4 5 6 7 8 9
30111
1 2 3 4 5 6 7 8 9
40
41111
10
Verb forms