If it has a correct gender specific noun. If its singular or plural. Irregular verbs. The fact there is two different verbs. Past tense or current. Verb of change. Spanish prepositions. Direct and indirect pronouns. The word gustar.
I believe it is pueden actuar bien.
I make myslef a chart
yo-tengo
tu-tienes
el/ella/usted-tiene
nosotros (as)-tenemos
vosotros (as)-teneis
ellos/ellas/ustedes-tienen
hope i helped :)
Question 2. retrato
question 3. barato
that my father loves, because he has spent a lot of time making him beautiful.
fue a ayudar a su primo de 13 años
Explanation: