Lea la lectura y complete con la forma del verbo To Be de acuerdo a la clave ( + ) o ( - )?

Lea la lectura y complete con la forma del verbo To Be de acuerdo a la clave ( + ) o ( - ). E. g. My fatheris( + )a carpenter. Heisn’t( - )an engineer. He works at the University in Latacunga. He has three sons, Peter, Karol and me. PeterElegir. Isaren´tam notareisn’tam( - )a doctor but heElegir. Isaren´tam notareisn’tam( + )working at the hospital in the city. HeElegir. Isaren´tam notareisn’tam( + )35 years old. KarolElegir. Isaren´tam notareisn’tam( + )studying at ESPE University, and sheElegir. Isaren´tam notareisn’tam( - )in the army. SheElegir. Isaren´tam notareisn’tam( + )28. TheyElegir. Isaren´tam notareisn’tam( + )living in Ambato. They travel every day to Latacunga. IElegir. Isaren´tam notareisn’tam( + )a teacher but IElegir. Isaren´tam notareisn’tam( - )living in Ambato. IElegir. Isaren´tam notareisn’tam( + )25 years old. Is, aren't, am not, are, isn't, am estas son las opciones ayuden porfa.