sentence: A child whose parents come from different countries is able to learn two languages at the same time . This child does n't need to go abroad to learn a foreign language , because they are listening to their parents speaking English , their native language , all the time and this lets them learn without any difficulty .
modified: One child whose parents come from different countries is able to learn two languages at the same time , this child does n't need to go abroad to learn a foreign language , but they are listening to their parents speaking English their native language all the time and this let them learn without any difficulty .
transformation: OTHER, PUNCT, OTHER, PUNCT, PUNCT, VERB:SVA