联系动词、行为动词、助动词、情态动词分别找三个 一般过去式、一般现在时、一般过去式、现在进行时分别造

系动词 am is areHe is a student.I am a teacher.They are nice.行为动词 act speak playHe acts as a hero in the war.She speaks Chinese.They play football everyday.助动词 have do am I have slept for 3 hou...