My wife and I ---- (have) a few problems recently .
have had
My sister ---- (not/like) singing, although she ---- (have) a wonderful voice.
doesn't like / has
My grandparents ---- (come) to see us next weekend. They ---- (not / visit) us for two years.
are coming / haven't visited
----- you ---- (look) for her ring for two hours when you found it in the bathroom?
Had you been looking
They were very tired in the evening because they ---- (help) on the farm all day.
had been helping
I ---- (lead) a very busy life these days.
am leading
What time ---- this plane ---- (arrive) in Chicago?
does this plane arrive
Jessica ---- (never fall) in love until she ---- (meet) Ben two years ago.
had never fallen / met
Bruce ---- (not stop) learning new words until he ---- (memorize) all the new words.
won't stop / memorizes
When Megan ---- (have) problems at school, her parents ---- (usually / help) her to solve them.
has / usually help
We ---- (wait) for the bus for half an hour, but it ---- (not arrive) yet.
have been waiting / hasn't arrived
While the children ---- (play) baseball, one of them ---- (drop) his ball.
were playing / dropped
Builders ---- (finish) this supermarket by the end of the year 2000.
had finished
She ---- (can) sing very well when she was a child.
could
---- you ---- jogging during your last holidays? - No, ----
Were you jogging / No, I wasn't.
---- it ---- (rain) since last Friday? - Yes, ---
Has it been raining / Yes, it has.
