Please do it.

douka... kudasai. : please...
yomu: read
yonde: read (imperative mood)
ni : to
hon: book

Douka watashi ni hon o yonde kudasai. Pleas, me, to, book,read: Please read me a book.

Sometimes "douka" is omitted.

tsureteiku: take
hoteru: hotel

Watashi o hoteru ni tsureteitte kudasai.: me, hotel to,take, please: Please take me to the hotel

iku : go
itte : go (imperative mood)

Hoteru ni itte kudasai.: hotel to, go , please : Please go to the hotel.

Convey what you want to someone is important in our conversation.
If you met an emergency situation in Japan, you should say what you want.

saifu: wallet
nakusu: loose
nakushita: lost
keisatsu: police

Watashi wa saifu o nakushimashita: I, wallet , lost: I lost (my) wallet.
Watashi wa keisatsu ni ikitai desu.: I , police to, go, want: I want to go to the police.
Watashi o keisatsu ni tsureteitte kudasai.: me, police to, take , please: Please take me to the police.

Conjugation of verbs are very difficult, but just feel it. Almost Japanese people can't explain how verbs conjugate.

More sample sentence you meet, you will understand.