НУЖНО СРОЧНО!Переделайте предложенияНУЖНО СРОЧНО!Переделайте предложения в Present Perfect.
Ex.1.Rewrite the sentences using the Present Perfect or Past Indefinite.
Examples:I am writing a letter to my cousin.(already;yesterday)
          I have already written a letter to my cousin.
          I wrote a letter to my cousin yesterday.
1)the waitress is bringing our tea(a few minutes ago;not yet)
2)the bell is ringing (just;some minutes ago)
3)He is going to London in a few days(already;last week)
4)The boys are playing football in the yard now(yesterday;many times)
5)Mother is reading a new novel by Aitmatov(this month;last year)
6)Students are cleaning their classrooms(already;last Saturday)
7)The teacher is explaining a new rule(just;at the pervious lesson)
8)Ann is doing her home work(just;on Friday)
9)They are discussing this problem again(many times; a few days ago)
10)Granny is making a birthday cake(just;yesterday)
11)The birds are flying to the South.(already;at the end of August)
12)the train is coming(just;an hour ago)
13)Who is your friend speaking to?(yesterday;just)
14)We are writing the words of Lesson 7(already;at the last lesson)

1) The waitress brought our tea a few minutes ago. The waitress hasn't brought our tea yet.
2) The bell has just rung. The bell rang some minutes ago.
3) He has already gone to London.
He went to London last week.
4) The boys played football in the yard yesterday. The boys have played football in the yard many times.
5) Mother has read a new novel by Aitmatov this month. Mother read a new novel by Aitmatov last year.
6) Students have already cleaned their classrooms. Students cleaned their classrooms last Saturday.
7) The teacher has just explained a new rule. The teacher explained a new rule at the pervious lesson.
8) Ann has just done her homework. Ann did her homework on Friday.
9) They have discussed this problem many times. They discussed this problem a few days ago.
10) Granny has just made a birthday cake. Granny made a birthday cake yesterday.
11) The birds have already flown to the South. The birds flew to the South at the end of August.
12) The train has just come. The train came an hour ago.
13) Who did your friend speak to yesterday? Who has your friend just spoken to?
14) We have already written the words of Lesson 7. We wrote the words of Lesson 7 at the last lesson.