情态动词和一般过去时呈现课件

May I go to the ball?Yes,you may.No,you mustnt.May I put on the new dress?Yes,you may.No,you mustnt.Can I put on the dress?Yes,you can.Can she put on the dress?No,she cant.Can I go to the ball now?Yes,you can.Must I marry you?Yes,you must.My name is Bean.I was born in Britain.When I was four.My mother took me to the park.I went to Magic School 20 years ago.In 2008,I worked in the USA.Last year,I retired,and stayed at home.Yesterday,I wore a white suit for the party!