Past tenses review

When I saw Sam earlier this morning, he was mopping / has mopped the floor. Cross out the incorrect word.

Ron and Tim are working / have worked at the salon for more than 10 years. Cross out the incorrect word.

Danny wasn’t understanding / didn’t understand what the man was saying. Cross out the incorrect word.

When I was a kid, I used to be / would be scared of spiders. Cross out the incorrect word.

I love travel, but I haven’t been / did not go to New York before. Cross out the incorrect word.

I discovered the loggers were cutting / had cut down almost all the trees. Cross out the incorrect word.

Pavel went outside and had built / built a snowman in the park. Cross out the incorrect word.

We were delayed, and the concert had started / started by the time we arrived. Cross out the incorrect word.

Ash had been studying / was studying Spanish for years before he moved to Madrid. Cross out the incorrect word.

We have been hiking / hiked all morning. Let’s have a break, shall we? Cross out the incorrect word.