1.We stearted working on this programme 5 years ago =>> 2.Our instructors began teaching extra classes for students with learning disabilities since 2008 =>> 3.We stearted learning French two weeks ago =>> 4.Why don't we go out for lunch =>>They suggest =>>How about Giúp mình với mình sắp đi học?

1. We stearted working on this programme 5 years ago

$\longrightarrow$ This programme was started working 5 years ago

2. Our instructors began teaching extra classes for students with learning disabilities since 2008

$\longrightarrow$ Extra classes for students with learning disabilities were begun teaching by our instructors since 2008

3.We stearted learning French two weeks ago

$\longrightarrow$ French is started learning two weeks ago

4.Why don't we go out for lunch

$\longrightarrow$ They suggest going out for lunch

$\longrightarrow$ How about going out for lunch?