Answer: In order for a sentence to be grammatically correct, the subject and verb must both be singular or plural
Explanation:
on the first one is the second option because it says <u>estaba</u>.
on the second one is the first one because is saying <u>comimos</u>.
on the third one is the second one because it says <u>quiso</u>.
on the forth one is the second because it says <u>iba</u>.
Dame helado. Hope this helps! :)
Tendras que ser un poquito mas especifico. I don't mind helping you