Table 7. The frequency of types of suffixes
Type
Frequency
Error example
Context
Past
17/205 (8%)
work (15)
I work
ed
three
Plural
45/717 (6%)
month (21)
shift (15)
several month
s
before weekend shift
s
last
3
rd
Sg
3/308 (1%)
get (2)
she get
s
back