If you want to play along to the track on the Life and Limb Album then you need a Capo on 5th.
I'm not convinced by the D in the chorus but I can't find anything better to fit.

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                    Martin Carthy - The Begging Song
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Am (x02210@1)                 C (x32010@1)      G (320003@1)               AmOf (x02210@1)all the trades in England the beggin' is the best
Am (x02210@1)                 G (320003@1)          C (x32010@1)           GFor (320003@1)when a beggar's tired he can lay him down and rest

Chorus (after each verse):
DAnd (xx0232@1)a-beggin' I will go
    Am (x02210@1)      G (320003@1)    AmAnd (x02210@1)a-beggin' I will go 

Am (x02210@1)                 C (x32010@1)       G (320003@1)                   AmI (x02210@1)got on the train in Carlisle they kicked me out at Crewe
Am (x02210@1)             G (320003@1)               C (x32010@1)          GI (320003@1)slept on every paving-stone from there to Waterloo

Am (x02210@1)                    C (x32010@1)          G (320003@1)              AmI (x02210@1)got breakfast off the Embankment I got my lunch and tea
Am (x02210@1)                G (320003@1)              C (x32010@1)                   GAnd (320003@1)only the finest cardboard made a home that was fit for me

Am (x02210@1)                   C (x32010@1)                   G (320003@1)                AmWe (x02210@1)sit on the stair at Leicester Square from seven o'clock till ten
Am (x02210@1)                       G (320003@1)                 C (x32010@1)                  GThen (320003@1)round the back of the Connaught House for dinner from out of a bin

Am (x02210@1)                 C (x32010@1)         G (320003@1)              AmI (x02210@1)can rest when I am tired and I heed no master's bell
Am (x02210@1)                    G (320003@1)       C (x32010@1)             GA (320003@1)man'd be daft to be a king when beggars live so well

Am (x02210@1)                 C (x32010@1)              G (320003@1)        AmThe (x02210@1)law came down to see us they came down three together
Am (x02210@1)                       G (320003@1)           C (x32010@1)                GThey (320003@1)put out the fire they left us there Oh Lord how we did shiver

Am (x02210@1)             C (x32010@1)       G (320003@1)        AmI (x02210@1)am a Victorian value I'm enterprise poverty
Am (x02210@1)                 G (320003@1)          C (x32010@1)          GCompletely (320003@1)invisible to the state and a joy to Mrs T

Am (x02210@1)                 C (x32010@1)      G (320003@1)               AmOf (x02210@1)all the trades in England the beggin' is the best
Am (x02210@1)                 G (320003@1)          C (x32010@1)           GFor (320003@1)when a beggar's tired he can lay him down and rest