Choose the correct sentence (As we labour): As we labour, so we shall reward ,As we labour, so shall we be rewarded

As we labour, so we shall reward

As we labour, so shall we be rewarded

As we labour, so shall we reward

As we labour, So shall be rewarded

As we labour, so shall we be rewarded

This sentence is grammatically correct and maintains proper subject-verb agreement and passive construction.

"As we labour" – introduces the condition.

"so shall we be rewarded" – future passive form, indicating that based on our labor, we will receive a reward.