Turn into the negative and interrogative form: I like chocolate. => I chocolate.
He works hard. => He hard.
She is English. => She English.
They can swim. => They swim.
Turn into the negative and inerrogative form:
She went to the market. => She to the market.
He came back home late. => He back home late.
They began running. => They running.
He listened to the teacher. => He to the teacher.