Johnson meanwhile will hold his first meeting with the new European Commission President, Ursula von der Leyen, in London on Wednesday.
Both sides are keen to prepare for talks on their future trading relationship, although these cannot start formally until Britain leaves the EU.
The Brexit deal includes a transition period in which ties remain unchanged in practice until December 31, 2020, to provide continuity until a new economic partnership can be agreed.
EU officials -- including von der Leyen herself -- have warned this is a very tight timeframe, but Johnson insists he will not opt to extend the transition period.
Commission spokesman Eric Mamer said Monday that von der Leyen would "discuss with the prime minister how to try to overcome these challenges and make sure that we can come out with a positive agreement at the end of the year".
The meeting, which will also be attended by EU Brexit negotiator Michel Barnier, will "set the scene", he added, but would not go into details.
Many opposition MPs believe Johnson cannot negotiate a new trade deal with Brussels in 11 months and are seeking to amend the Withdrawal Agreement Bill to allow for more time.
Other amendments put forward include stronger rights for around 3.5 million EU citizens living in Britain after Brexit.
Expatriate rights are already covered in the Brexit deal, alongside Britain's financial liabilities, the transition period and new trade arrangements for Northern Ireland.