The effect of analogy is obvious in the following examples.

I suggests(T. T. T. 159).
I answers(» 170).
They sits(» 125).
I comes(» 126).
You comes(» 125).
I says(» 133).
I asks(» 143).
I likes(Sketches 194).
I thinks(» 201).
I does(Sketches 194).
She don’t(» 194).
’E don’t(» 199).
Things as gets lost(T. T. T. 195).
They wasn’t(» 136).
There’s no wages(» 228).
It don’t(» 251).
One don’t(» 218).
It aren’t(Novel Notes 163).

Past.

I see = I saw(T. T. T. 197).
» »(Three Men In A Boat 81).

(The common anomalous form I seed is not to be found in Jerome.)

I give = I gave(Sketches 201).
I gived = »(Novel Notes 155).
I win = I won(Tommy And Co. 99).
I comed = I came(Woodb. Farm 56).

Perfect Participle.

Took = taken(T. T. T. 197 + 201 + 140).
writ = written(» 158).

Present Participle.