помоги перевести эти предложения очень надо

Has Mark been searching information on the Internet since last Tuesday?
....
Fred HAD called BEFORE he left house.
Alex and Dan have been preaparing for exam since Easter.
We will be having pucnic tomorrow at 4 o'clock.
Jenya have not been speaking for one an a half hour yestarday evening.
What will Dan be doing from 4 to 5 tomorrow?
Sasha will not be working at the agency at 7 o'clock tomorrow. (как же вчера?! )
Helen had been playing during an hour before Tom came at court
We had the text written before 2 o'clock yestaerday.
Have Vanya been translating this article for an hour?

Это форма Perfect Continuous или Continuous.
Могу кое-что объяснить, если хотите.

Has Mark been looking for the information on the Internet since last Tuesday?
Cora looked wonderful after she had lost 5 kilos.
Fred had phoned me / them before he left home.
Alex and Dan have been preparing for the exam since Easter.
We will be having a picnic at 4 p.m. tomorrow.

Повторите времена и сделайте дальше самостоятельно, а сюда дайте на проверку.

Mark is looking for information on the Internet since last Tuesday?

Cora looked wonderful after a dropped 5 kg

Fred called before left home

Alex and Dan preparing for the exam with Easter.

we will hold a picnic at 4:00 tomorrow

Jack did not speak during the hour and a half last night

Dan will be doing that from 4 to 5 tomorrow?

Sasha will not work in the agency at 7 o'clock last night

Helen has played for an hour before Tom came to the court
We wrote a test to two hours yesterday

michael did not seek information from the last Tuesday

Vanya is translating this article for an hour