The Conservatives have the support of the DUP from N. Ireland. That gives the government a majority of three in the Commons. But the Tories are so divided on Brexit that as much as I like Johnson, I think he is a placeholder. Parliament is so divided it could not agree to take a bathroom break much less approve a Brexit plan. The Johnson government will fall and there will be a general election. My guess is sometime in the Fall.
So really he probably doesn’t feel he has a mandate to get much done?