Observe the sentence below and analyse the following statem...

“Pupils can choose from an exciting array of reading material” (l.26-27).
I. ‘can’ could be replaced by ‘are going to’ without affecting the meaning. II. The question form of the sentence is “Do pupils can choose from an exciting array of reading material?”. III. To form a negation, you only need to insert the word ‘no’ after ‘can’.
Which ones are INCORRECT?