1 The passive voice used here expresses a kind of victimization passivity

The complete form of this sentence should be privy は urgent に rain に fall ら れ て trapped り ま し た

A grammatical form of the passive voice private voice (が)~~に~~ I was ~~What happened?

I was caught in the sudden rain, and I was very distressed.

2 brother's new は新しいパソコンをほしがっている

Separately it is my younger brother は新しいパソコンをほしがるaddている sentence pattern

ほしが Use る when speaking in the third person

Use ほしい when speaking in the first or second person interrogative sentences

ている sentence pattern

To express that an action or change is in progress はコーヒー を Drink んでいる.

Indicates habits and repeated behaviors. I teach you in high school.

It means that the state will continue after the action occurs. Private marriage.

Indicates the state of something that will not change after its current state. Brother はfather とよくsimilar ている.