Объясните доступно как строятся и переводятся в языке предложения с i wish/if only

I wish you were here из знаменитой песни - я хочу, чтобы ты был здесь

Вообщем после конструкции I wish всегда стоит время.
If only you were here - если бы только ты была здесь

После I wish, if only используется время

What is charity today? On television and in other media, we often encounter the word, and is mainly due to the activities of a variety of rich people to give their money to help people in need (orphans, people with disabilities (old people with disabilities), the chronically ill, and so on. Etc. ).. Or with the activities of various non-governmental organizations (charities) collecting the money. But is read out at the media news related to "charity" of the present is that of? Unfortunately no. Everyone on the lips of the case with a charity concert in aid of children with cancer, with the participation of Putin. What ended the concert aware, no help sick children have not been provided. There are certainly other examples, such as the fund Chulpan Khamatova, provide real support to the sick, Raisa Gorbachev Foundation, etc. But often, these organizations do not enjoy popularity among television journalists. Their good deeds behind the scenes of the media. There is also a question. Is charity handiwork only rich people? Of course not! Let us ponder over this word CHARITY. Its direct meaning, do good, that is, to do good, to bring people favor. And can do good only have the powers? No. The well-being of society, its moral health depends primarily on how each of us is ready to do good, good for his neighbor. Under the neighbors I certainly understand not only family and friends, and in general people who live in the same country with me to breathe the same air with me, walk and enjoy with me the same sky. But to begin to do good neighbors, is of course with their loved ones. with mom and dad, brothers and sisters, with their grandparents. From his home. By helping them, we first of all let us give them our duty to them, and secondly, if it comes to schoolchildren, learn how to bring people favor. Taking care of them, listening to their good advice, helping parents with the housework, bringing up a good example of his younger brothers and sisters - we are thus in the future be able to become full members of society. And when we enter adulthood, we can with a clear conscience to do good deeds, and we simply unfamiliar people.

Я обожаю фильмы ужасов.Потому что они захватывающие,интригующие и очень страшные.Хоррор фильмы могут быть про ужасы и монстров.А могут быть  про людей.Хоррор фильмы порой тренируют страх.И благодаря страшным фильмам я не боюсь оставаться один.Хоррор фильмы очень интересные и захватывающие.Лбите их вместе со мной!

I love horror films. Because they are exciting, intriguing and very scary. Horror films can be about horrors and monsters. And they can be about people. Horror films sometimes train fear. And thanks to scary films, I'm not afraid to be alone. Horror films very interesting and exciting. Drop them with me!