Can you ________ how this machine works?
Can you EXPLAIN how this machine works?
He ________ (eat) a sandwich for lunch.
He ATE a sandwich for lunch.
We ________ (play) tennis at 5 p.m. yesterday.
We WERE PLAYING tennis at 5 p.m. yesterday.
They ________ (swim) when I ________ (see) them.
They WERE SWIMMING when I SAW them.
I don't know what "improve" and "accuracy" ________.
I don't know what "improve" and "accuracy" MEAN.
Sorry, I ________ (take) your pen by mistake.
Sorry, I TOOK your pen by mistake.
________ (she/cook) dinner at 6 p.m.?
WAS SHE COOKING dinner at 6 p.m.?
While Mr. and Mrs. Davis ________ (dance), they ________ (fall) down.
While Mr. and Mrs. Davis WERE DANCING, they FELL down.
We should talk ________ the doctor ________ your symptoms.
We should talk TO the doctor ABOUT your symptoms.
________ (you/travel) to Italy in 2022?
DID YOU TRAVEL to Italy in 2022?
John ________ (not work) at midday. He ________ (have) lunch.
John WASN'T WORKING at midday. He WAS HAVING lunch.
When she ________ (arrive) at the office, everyone ________ (work).
When she ARRIVED at the office, everyone WAS WORKING.
Could you ________ this German word and then ________ it into English?
Could you PRONOUNCE this German word and then TRANSLATE it into English?
Susan ________ (go) to the shopping centre, but she ________ (not buy) anything.
Susan WENT to the shopping centre, but she DIDN'T BUY anything.
A: What ________ (you/do) at 9 o'clock?
B: I ________ (study) for a test.
A: What WERE YOU DOING at 9 o'clock?
B: I WAS STUDYING for a test.
We ________ (not go) out because it ________ (rain).
We DIDN'T GO out because it WAS RAINING.
She likes to ________ to podcasts because she can ________ different accents and voices.
She likes to LISTEN to podcasts because she can HEAR different accents and voices.
A: ________ (they / watch) a film last night?
B: No, ________. They ________ (watch) a TV show.
A: DID THEY WATCH a film last night?
B: No, THEY DIDN'T. They WATCHED a TV show.
A: ________ (Sarah/watch) TV with her friends?
B: No, ________. She ________ (read) a magazine and her friends ________ (listen) to music.
A: WAS SARAH WATCHING TV with her friends?
B: No, SHE WASN'T. She WAS READING a magazine and her friends WERE LISTENING to music.
A: What ________ (he/watch) when the power ________ (go) out?
B: He ________ (watch) a horror film.
A: What WAS HE WATCHING when the power WENT out?
B: He WAS WATCHING a horror film.