OOPS! PICK THE MISTAKE. 

There are mistakes in all of these sentences. Can you rewrite each sentence correctly?

1. Let’s meet in 10:30 tomorrow morning.
2. All students don’t have exam papers.
3. She loves animals and has many pet.
4. I do a driving test yesterday.
5. Alex did not say where does he buy his car.

Corrected sentences. 
a. Let’s meet at 10:30 tomorrow morning.
(Change the preposition to ‘at.’ )
IN, ON and AT are the basic time prepositions you need to get right.
IN – for a period of time. In March / in a week / in 5 mins
ON – for a particular day. On Tuesday / on 5 December
AT – for a particular time. At 5pm / At the start of the game
b. No students have exam papers. / Not all students have exam papers.
(In English it is confusing to say that ALL of a group DON’T do something.)
c. She loves animals and has many pets.
(MANY is always used with plural nouns.)
d. I did a driving test yesterday.
(Change the verb into the simple past.)
YESTERDAY is past. Put the verb into the past. 
e. Alex did not say where does he buy his car.
(Remove DOES from the sentence and put the second verb into the simple past.)
DOES is used more commonly in the negative or in questions. In positive sentences it is not used much. When it is used, it is mainly for emphasis.
He doesn’t play tennis.
He drinks coke. 
He does drink coke, but only very occasionally.