It’s difficult to do this project? (Correct)
Mary found a five pound note while she was walking to school yesterday. (Past continuous tense)
I have just finished reading “War and Peace”. It’s a brilliant book. (Present perfect tense)
I won’t be at work tomorrow. I’m taking the day off. (Future tense)
How long have you been a nurse, Mrs. Lan? - For 5 years. (Present perfect tense)
While Peter was driving home late last night, he ran out of petrol. (Past continuous tense vs. simple past tense)
She always gets up early to study her lessons. (Simple present tense)
The letter I received yesterday is on the desk. (Simple past tense)
This film is the best one I have ever seen. (Present perfect tense)
She always remembers the names of the people that she meets. (Simple present tense)