It is very good that you have "some base". This base is called passive vocabulary.
With "some base" of passive vocabulary, you have more options.
Namely:- You can join a group that is already learning and gaining vocabulary for the time being (at most by the fifth lesson from the start of a suitable group).
- You can sign up for an individual course. It is just for those who do not have time to do their homework at home, who speak little and want to increase their active vocabulary (more than 1000 words!) and learn to build sentences easily.