Here you can find a link to the Questionnaire "Language Learning Experiences and Beliefs" for conversation practice, again the Self-Assessment Grid of the CEFR and a lesson plan with suggestions for teachers.
The less frequent vocabulary includes the following words and expressions: concening, current affairs, delivery, [to be] implied, predictable [information], attitudes, viewpoints, prose, with ease, rate [of speech], to handle [social exchanges], to keep the conversation going, to search for [expressions], [for social and professional] purposes, skilfully, to convey finer shades of meaning, to backtrack, [my educational] background, events, to round off [with an appropriate conclusion], a [clear] smooth-flowing [description or argument], the recipient, a wide-range [of subjects], to highlight, a wellstructured [text], at [some] length, salient [issues], [to present] a case.