"Eu começo a trabalhar às oito da manhã."

Translation: I start to work at eight in the morning.

[olsztynr]

I begin the work at eight in the morning - why is this wrong?

[emeyr]

Eu começo o trabalho = I begin the work

[RomaRRio]

why there is a trabalhar?

[PHScanes]

"Começar" needs preposition...

[lesliewilman]

"I start work" is much more natural than "I start to work", which might be part of "I clock in at half past seven, but I start to work at eight...."

[Alf-Sawman]

Agree, and it's now accepted.

[katlearnslangs]

Why is it às here instead of à singular?

[Alf-Sawman]

If it was 1 o'clock, it would be "à uma hora", but for all other hours (since the number is higher than one) it is "às duas horas" etc. in plural. (The contractions are "à" = "a a [uma hora]" meaning "at the first hour" etc.)

[PHScanes]

It refers to 8... a uma da manhã... às duas etc...

[pbmolini]

Why 8 a.m. is incorrect?

[EirlynJenk]

It shouldn't be