... đây, hiện tại
anh ta không nhất thiết phải đang ở Hà nội) .
Present Perfect
(Thì Hiện tại hoàn thành)
and
Present Perfect Continuous
(Thì Hiện tại hoàn thành tiếp diễn)
·Dùng với: now that ... Have you been crying for long
time?
Mắt của em đỏ. Có phải em đã khóc rất lâu không?
PresentPerfect Continuous
Công thức:
Subject + have/has + been + V-ing
Trong đó:
Have: dùng với các ... tuy không đề cặp nhưng có thể hiểu là anh
ấy vẫn còn tiếp tục dạy)
Các từ hay đi cùng với Present Perfect
Since / for
Already / Not yet
Ever / never
Now that
Dùng để chỉ một hành động...
... visiting Hanoi since 1990 I've always left safe here
Sự khác nhau giưã PresentPerfect và Presentperfect continuous:
Present perfect (nếu không có time express ):
Bày tỏ sự chấm dứt cuả một hành ... English for 3 yeas now). Ngoài ra presentperfect còn diễn tả một hành
động xảy ra trong quá khứ không rõ thời điểm. Chức năng này hoàn toàn không có ở presentperfect
continuous.
Phân biệt HTHT và ... diễn tả một sự việc xảy ra kéo dài từ quá khứ đến hiện tại. Nhưng presentperfectcontinuous nhấn
mạnh yếu tố liên tục, còn presentperfect là cách nói bình thường, không nhấn mạnh. Thật ra trong...
... 4. THE PRESENTPERFECT AND THE PRESENT PERFECT
CONTINUOUS
1. Use of the present perfect
The English PresentPerfect tense is used to express actions which have already been
completed, or perfected, ... worked, haven't they?
See Exercise 7.
7. The presentperfect continuous
a. Use
The PresentPerfectContinuous tense is used to express continuous, ongoing actions
which have already been ... completed one hour of continuous waiting.
b. Formation
The PresentPerfectContinuous tense of any English verb is formed from the Present
Perfect of to be, followed by the present participle of...
... Match one in column A with one in column B: (2ps)
A B Keys
1. What are you going to do this afternoon? a. You should wear overcoat. 1 -
2. Would you like to go to the cinema with me? b. I don’t ...
VI. Choose and underline the best answers: (2ps)
1. You ought ……… the dentist. (go/ to go/ going/goes)
2. Hoa feels sick. She ate ... ………………………………………/……………………
5. She (be) here next Christmas. ………… …………………………………………………
IX. Fill in the blank with each suitable word in the box: (2ps)
cartoon in should too too much next door enough a lot...
... send-
Do- show-
Cut sing-
TENSE
1/ Now you have to put the verb into the correct form : Presentcontinuous or Present
simple
1. I……………………….( not / belong ) to a political party.
2. Hurry! The bus………………………… ... London.
2/ Present tense with a future meaning
Ann is going on holiday. You have to write sentences.
a. go / scotland
b. leave/ next Friday
c. stay/ in Scotland for two weeks.
d. Go / with a friend ... we………………………………(go) to town…………………………( you / come ) with us?
B/ Simple past and past continuous
1/ In this exercise you have to read a sentence about the present and then write a
sentence about the...
... permutation
sequence is a perfect sequence. This statement is made
precise in [25], where it is shown that the set of all perfect
autocorrelation sequences associated with the set B
L
can be
factored ... still significant. The advantage is twofold.
First, in contrast with either time or frequency space
representations, the Zak space representation of echo signals
preserves the separateness of supports ... pages
doi:10.1155/2011/214790
Review A rticle
Construction of Sparse Representations of
Perfect Polyphase Sequences in Zak Space with
Applications to Radar and Communications
Andrzej K. Brodzik
The...
... you ___ (come) with me?
A. Does/ come
B. Do/ come
C. Is/ coming
D. Is/ coming.
Present simple and Present continuous
( Hiện tại đơn và hiện tại tiếp diễn)
Present simple Present continuous
Use ... Ving…
Adv Always, often, seldom, usually,
sometime, everyday/week/month,…
At the moment, at the present,
now, right now, today…
Note 1 số verb chỉ tình trạng không có
dạng Ving như: believe,...
... doesn’t understand
D. is speaking/ am not understanding.
10. I’m going for a walk. ___ you ___ (come) with me?
A. Does/ come
B. Do/ come
C. Is/ coming
D. Is/ coming.
1. Be quiet! The baby…. (slep).
2. ... homework.
13. What…you…(read) when you are on holiday? – I… (read) novels. Now
I… (read) “Gone with the wind” by Margaret Mitchell.
14. Why…you…(look) at me like that? Have I said something wrong?
15....
...
Form
Present simple Present continuous
Affirmative S + V
Ordinary Verbs:
- I, you, we, they, Mary and Peter, plural ... NOT
S + BE + NOT+ V_ing
Interrogative
DO/DOES + S + V-Inf?
BE + S?
BE + S + V_Ing?
PRESENT SIMPLE AND
PRESENT CONTINUOUS
Uses:
Daily routines, habits or repeated actions
Ex: I usually ... tomorrow.
Adverbs of frequency: always, usually, often,
sometimes, rarely, seldom, every, each…
Simple present
...
... PM.
Now (Non -Continuous Verbs): speakers sometimes
use the Simple Present to express the idea that an action
is happening or is not happening now. This can only be
done with Non -Continuous Verbs and ... this second, today, this month, this year, this
century, and so on. Sometimes, we use the Present
Continuous to say that we are in the process of doing a
longer action which is in progress; ... speakers use the Present
Progressive to indicate that something will or will not
happen in the near future.
Examples: I am meeting some friends after school.
Repetition and Irritation with "Always“:...
... _____________ my apartment. (be)
13. I _____________ popcorn. (have)
The PresentPerfect Tense
Form sentences in the presentperfect tense using the elements in
parentheses. Use contractions where
appropriate.
1. ... __________________ to Chicago. (to
move)
The progressive form of the present
Complete each sentence with the correct simple present or progressive
present form of the verb.
1. (I’m going; I go) _________________ ... Peachtree Plaza costs two nineteen a night.
_______________________________
119
Answers
Exercise Answers
Exercise Answers
Indefinite and Definite Articles
1. a tourist
2. a month
3. some citizens
30
...