поставьте глаголы в скобках в нужной видовременной форме The convention ( to begin) already.
I think he (to make) into consideration her notes yesterday.
He always (to read) the "Independent" before dinner.
Next year my brother (to work) at a stok exchange

The convention has already begun.

I think he made into consideration her notes yesterday.

He always reads the "Independent" before dinner.

Next year my brother is going to work at a stock exchange.