Translation of "Frustraba" in English

Y me frustraba mucho

And it frustrated me,

Comenzaba la tarea y me frustraba

I'd start my homework and feel frustrated

Me molestaba cuando no lograba dormirme y me frustraba,

I get annoyed when I couldn't fall asleep, and I get frustrated,

Estuve viviendo un año en Cambridge, Inglaterra, y me frustraba tanto mi incapacidad

Don: I was spending a year living in Cambridge, England, and I got so frustrated with my inability