a. How many e-mails had you been sending?
b. How long had you been playing basketball?
c. How long had you been living in that flat?
d. When had the children been doing ten exercises? *aici nu sunt sigura*
e. Why was your grandfather tired?
f. When had the doctor been writting prescripitons? *aici nu sunt sigura*
g. How many stories had George been writting?
h.How long had she been knowing Mark?