Question

2. Mary and Sue ____________________ happier if they ____________________ harder and passed the exam

a. have been / would study
b. would be / have studied
c. would have been / had studie

Answer 1

Respuesta:

mary and sue would have been happier if they had studie harder and passed the exam

Explicación:because yes

Answer 2

Respuesta:

c. would have been/had studied

Explicación:

En esta oración se usa el tercer condicional (third conditional), ya que habla sobre una condición imaginaria y un resultado probable en el pasado.

If + past perfect, would have + past participle.

If Mary and Sue had studied, they would have been happier.