I / play / never / tennis
I never play tennis
I ___________ (drive) at the moment.
I am driving at the moment.
GO
WENT
I didn't visited my aunt yesterday.
I didn't visit my aunt yesterday.
Where do you go to school?
I go to ...
polar bear.
The polar bear is not only the largest of the bear species, it is the largest terrestrial carnivore. Adult males weigh 880 to 1,500 pounds (400-682 kg.) and females are roughly half that size. 

Andorra
She / study / at the moment
She is studying at the moment.
They ________ (not practice) any sports.
They don't practice any sports.
SPEAK
SPOKE
He is drive to work.
He is driving to work.
Where did you go on your last trip?
I went to ...
Who is the fastest land animal?
Cheetah
Capable of going from 0 to 60 miles per hour in less than three seconds.

Uganda
They / go / yesterday / the park / to
Yesterday, they went to the park.
They went to the park yesterday.
We ____ (not watch) anything interesting right now.
We aren't watching anything interesting right now.
BUY
BOUGHT
Does he buys a lot of candy?
Does he buy a lot of candy?
What time did you get up this morning?
I got up at ....
Who is that?

Sloth
Sloths live in the tropical forests of Central and South America. With their long arms and shaggy fur, they resemble monkeys, but they are actually related to armadillos and anteaters.

Azerbaijan
You / not / must / here / smoke
You must not smoke here.
You mustn't smoke here.
She ___________ (like) dancing very much.
She likes dancing very much.
UNDERSTAND
UNDERSTOOD
When you are playing tennis?
When are you playing tennis?
What mustn't you do at your school?
I mustn't ....
What animal can change colour?
Chameleon
Chameleons are part of the iguanan suborder of lizards. They are known for their ability to change their color; their long, sticky tongue; and their eyes, which can be moved independently of each other. 

Mauritania
I / invite / not / them / to the party / weekend / last
I did not invite them to the party last weekend.
I didn't invite them to the party last weekend.
They ____ (visit) their grandparents at the beach this weekend.
They are visiting their grandparents at the beach this weekend.
EAT
ATE
You haven't to pay attention.
You don't have to pay attention.
What is your mother doing right now?
She is ... ING
Name an animal that can regenerate body parts
What is starfish (arm), axolotl (legs), salamander/lizard (tail), deer (antlers), flatworm (body)

Yemen