'Let Us' in the Bible

Then after this he said to the disciples, "Let us go to Judea again."

and I am glad {for your sake} that I was not there, so that you may believe. But let us go to him."

Then Thomas (the one who is called Didymus) said to his fellow disciples, "Let us go also, so that we may die with him."

But so that the world may know that I love the Father, and just as the Father has commanded me, thus I am doing. Get up, let us go from here!

So they said to one another, "Let us not tear it apart, but cast lots for it, [to see] whose it will be," so that the scripture would be fulfilled that says, "They divided my garments among themselves, and for my clothing they cast lots." Thus the soldiers did these [things].