1
past of understand
2
ayer
3
necí
4
past of be
5
negative form of be for "they"
6
past of buy
7
past of write
8
past of call
9
past of know
10
past fo go
11
auxiliar for negative sentences
12
negative form of be for "I"
13
expression to say "semana pasada"
14
past of say
15
hace
16
past of can
17
past of eat
18
past of have
