Cover of On Screen B1+/B2 - Student's Book

Exercise 8

1c - Grammar in use·On Screen B1+/B2 - Student's Book

Question

Read the examples in the grammar box. How do we form the present perfect continuous?

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More exercises in 1c - Grammar in use

Ex. 1
Ex. 2
Ex. 3
Ex. 4
Ex. 5
Ex. 6
Ex. 7
Ex. 9
Ex. 10
Ex. 11