The third person feminine ( she ) appears to be rendered as "'er" ( her ) but is in fact an Old English relic which dialect poets of the 19th century
In the past "open" would have become "oppen", "spoken" becomes "spokken", "broken" becomes "brokken", etc but these are now uncommon amongst younger generations. They are still fairly common in West Yorkshire.
Traditionally, a /t/ was replaced with an /r /; for example, "I'm gerring berrer", "a lorra laughs". Amongst the younger generation, it is much more common to replace /t/ with a glottal stop [ʔ].
Rather than a mixed use of was and were such as occurs in Standard English, Lancashire dialects tend to use only one of the words and employ it in all cases . The west coast of Lancashire always uses was , the rest of the county always using were .
Use of a z sound for an s as in bus pronounced buzz
Lancashier Dialect [uːər] /ʊə/ as in 'cure' [ʏː] (South) or [uː] (North) /uː/ as in 'boo' [ʊ] /ʌ/ as in 'bud' [oː] /əʊ/ as in 'boat' [ɑː] (South), [aɪ] (North) /aɪ/ as in 'bide' [ɛr] /eə/ as in 'bear' [eː] /eɪ/ as in 'bay' [ʌʏ], [aː] or /aʊ/ /aʊ/ as in 'house' [aːr] /ɑː/ as in 'bard' [a] /æ/ as in 'bad' Lancashire RP English
Films from the early part of the 20th century often contain Lancashire dialect: the film-makers George Formby, Gracie Fields and Frank Randle are notable examples
Related to music the band the Lancashire Hotpots originate from St Helens, and popularise dialect in their humorous songs. The folk song "Poverty Knock" is written to the tune of a Lancashire accent.