1. He crashed his car shortly after he ………………………. it. bought bought has bought. 2. I …………………….. my work before I went out to play. finished had finished have finished. 3. He ……………………… ill for about a month before he died. was has been had been. 4. The show ………………………… before we reached the venue.
has begun had begun began. 5. No one took care of the children after their parents ………………………… died have died had died. 6. We ………………………….. here since 1990. are living were living have been living had been living. 7. He …………………………. here for 2 hours. is waiting was waiting has been waiting. 8. I ……………………… them for a long time. am not meeting have not met do not meet. 9. Although the driver was badly hurt, he could explain what ………………………. happened have happened had happened. 10. Neither of the boys ………………………….. arrived. has have. 11. One of the students ………………………… missing. are gone have gone has gone. 12. How they ................................. is a mystery. escape have escaped escaped.
