ответыв интернете нет что делать бес понятия.

1.Has my little brother already been hear?

My little brother hasn't been already here.

аналогично другие слова

2.1 Kate has already seen this interesting film about love.

1) Специальный: What has Kate already seen?

2) Альтернатинвый : Has Kate already seen the boring or the interesting film?

3) Разделительный: Kate has already seen this interesting film about love, hasn't she?

2.2 My father has met his friedns.

Во задай аналогично как и в 2.1

2.3 I have just washed my room.

Во аналогично 2.1

это услоные предложения, которые начинаются с если (if). в языке в условных предложения с если, первая часть (с if) ставится в настоящем времени, а вторая в будущем.

1.                      it will rain today. we shall not go for a walk.

if it rains today we shall not go for a walk

2.                      don’t move. you’ll fall down.

if you move, you will fall down

3.                      the wind will change. there will be snow.

if the wind changes, there will be snow

4.                      i’ll be careful. i will not break the cups.

if i am careful, i will not break the cups

5.                      you have free time now. come for a walk with me. if you have free time now, will you come for a walk with me.

6.                      i’ll go hiking in summer. i’ll see a lot of interesting things.

if i go hiking in summer, i will see a lot of interesting things

7.                      he’ll go shopping. he’ll buy some exercise-books for me. if he goes shopping, he will buy some exercise-books for me