..................................The Discourses we enact existed ........................ and most of them will exist

a.After each of us came on the scene / long long we have left the scene
a.before each of us came on the scene / long after we have left the scene.
a.before each of us left on the scene / long after we have come the scene
a.After each of us left on the scene / long long we have come the scene

-- --مين راح يحل هالسؤال -- ^^