1) They have never spoken to this girl. (never индикатор)
2) She has been studying French for five years. (for five years -индикатор)
3) They have been living together for 15 years. (for 15 years-индикатор)
4) My parents have never been to London. (never индикатор)
5) She usually has breakfast at 6 a. m. (usually-индикатор)
6) What is he doing now? (now-индикатор)
7) She has been sleeping since 9 o`clock. (since 9 o`clock-индикатор)
8) He has just come home from work. (just-индикатор)
9) My sister does not give me her things very often. (very often -индикатор)
10) What do you think about this man? (think-нельзя с ing ( считать/полагать)
11) I have lost my keys and can`t find them. (Потерял и не могу сейчас их найти)
12) He is not cooking the dinner with his wife now. (now-индикатор)
13) He has been teaching in this school for five years. (for five years-индикатор)
14) She sometimes sends the letters to her friends. (sometimes-индикатор)