ปัญหา 1คำตอบสั้นWhat is the structure of the present continuous tense?S+am/is/are+verb-ingS+tobe+VingS+tobe+verb-ingSubject+tobe+verb-ingSubject+is/am/are/+verb-ing
ปัญหา 5คำตอบสั้นWhich word is usually used with the present continuous tense to indicate the time of action?now
ปัญหา 13คำตอบสั้นWhat is the negative form of 'You are studying' in the present continuous tense?You are not studying