如何将祈使句Let`s go and practice 改为陈述句?

问题描述:

如何将祈使句Let`s go and practice 改为陈述句?

We will go and practice. Let's 是祈使句. 一般我们改成同义句: Why not go and practise?
Shall we go and practise?orWhat about going and practicing?