15 ,
kate (go) to school.
преобразовать предложение выше в present simple tense, present continuous tense, present perfect tense, present perfect continuous tense.

Kate goes to school. Does Kate go to school? Kate doesn't go to school.

Present Simple

Kate is going to school. Is Kate going to school? Kate isn't going to school.

Present Continuous

Kate has gone to school. Has Kate gone to school? Kate hasn't gone to school. Present Perfect

Kate has been going to school. Has Kate been going to school? Kate hasn't been going to school. Present Perfect Continuous

Kate goes to school.

Kate is going to school.

Kate has gone to school.

Kate has been going to school.