Question

he came and gifted me a pen. change to interrogative​

Answer 1

Answer:

did he come and gift me a pen

Explanation:

interrogative means to interrogate which means to ask, this is a point which you should keep in mind

Answer 2

Answer:

Did he come and gift me a pen?

Explanation:

To change the sentence into interrogative, we'll have to add the word 'did' along with a question mark at the end.(Change in the verb's tense according to the sentence is also important.)