Question

Ребята помогите пожалуйста :) Supply the correct mood of the verbs in brackets 1)if they (not to help) us we (not to find) the way ; 2)If she (to be) older she (to understand ) you better ; 3)nobody told me about your trouble.I(to help) you if I (to hear )about it; 4)if I (to be) you i (have) a long walk in the park 5)if i(to know) of your arrival i(to meet)you

Answer 1

1) If they don't help us, we will not find the way.
Если они не помогут нам, мы не найдём дорогу. (Первое наклонение используется для описания событий, которые возможны в наст. и буд. времени).
2) If she were older, she would understand you better.
Если бы она была старше, она бы поняла тебя лучше. (Второе наклонение используется для обозначения маловероятных ситуаций в наст. или буд. времени).
3) Nobody told me about your trouble. I  would have helped you, if I had heard about it. 
Никто не сказал мне о твоей проблеме. Я бы смог помочь тебе, если бы я услышал об этом. (Третье наклонение: ситуации, которые не произошли в прошлом).
4) If I were you, I would have a long walk in the park.
На твоём месте (если бы я был тобой), я бы долго погулял в парке. (Второе наклонение).
5) If I had known of your arrival, I would have met you. 
Если бы я знал о твоём прибытии, я бы встретил тебя. (Третье наклонение).

Answer 2

1. if they do not help us, we will not find the way.
2. If she were older, she would understand you better.
3. Nobody told me about your trouble. I would have helped you if I had heard about it.
4. If I were you, I would have a long walk in the park.
5. If I had known about your arrival, I would have met you.