sentence: Firstly , hybrid cars are only allowed to be used during weekends . As a result of this , most people do not use their cars all week .
modified: Firstly , hyrid cars only allowed to use during weekends as result of this most people not using there cars all the week .
transformation: SPELL, VERB:TENSE, VERB:TENSE, VERB:FORM, OTHER, PUNCT, VERB:TENSE, VERB:FORM, OTHER, DET