This paper is aimed at teaching children that the past perfect continuous tense exists, and its formula. 
 This is aimed at pre-intermediate students so there is no intention to explain the tense.

grammar-formula-past-perfect-continuous-part-2_150322.docx

Grammar (formula) past perfect continuous (part 2)

grammar-formula-past-perfect-continuous-part-2

Let's do English ESL guided discovery of grammar. This paper is aimed at teaching children that the past perfect continuous tense exists, and its formula. 
 Thi…