2.Speaks some Chinese。3.Wants to learn mathematics。4.Go swimming。5.Be kind to our grandparents。6.Help them in singing。7.Help me learn history。8.Learn to play guitar。9.The school play。10.On Sunday。11.On Sunday afternoon。12.Practice Chinese kung fu。13.An email address。14.Learn a lot。15.They can speak English。16.Jerry could not play the violin well。