It is perfectly regular: just add 'ed I have missed you while you have been away.
The past participle will be important in future lessons covering the perfect tenses. To form the past participle, simply drop the infinitive ending (-ar, -er, -ir) and add -ado (for -ar verbs) or -ido (for -er, -ir verbs). Note that compound verbs based on the irregular verbs inherit the same irregularities.
Most past participles can be used as adjectives. Like other adjectives, they agree in gender and number with the nouns that they modify. La puerta está cerrada.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.