give the correct tense of the verb 1. they (not give)....his decision yet 2. tracy( not see).........her friend for 2 years 3.I ( be )......to london three times 4.It (rain )......since I stopped my work 5.this is the second time I (meet).....him 6. they ( walk ) .....for more than 2 hours 7. you ( get ) ......married yet. 8. my wife and I ( be ).......there several times in the past 9. we (study)........almost every lesson in this book so far 10. he ( visit ) ......his friend recently 11........you....(see ).....her today? - no , i haven't seen her yet . 12. she (do).......her homework already 13. they never(go).....to the cinema in their life 14. Tom , I (not see ) ........you for ages ! where have you been ? 15. He is the most kind - hearted man I ever (meet).................