3、door.四、语法Present continuous1.Form:am/is/are+verb.+ing.(somethingishappeningnow).2.spelling:someverbschangetheirspellingwheningisaddedforthepresentcontinuous. Unit2lesson1一.单项选择1.-Couldyou____andpickupSamfromschooltoday? -Sure.WhattimeshallIgetthere? A.