Focus of present perfect 3 doc
FOCUS ON - present perfect phrasal verbs
... a new 100-watt bulb; this one ________ ________ yesterday.
10. FOCUS ON: phrasal verbs used as nouns, 1
Many two-word phrasal verbs can be used as nouns. All the verbs in this section have a ... any longer, and she asked him for morphine.
9. FOCUS ON: two-word phrasal verbs that require
an additional particle when used with an object, 1
With some two-word verbs you...
Tài liệu Modeling of Data part 3 docx
... variance of the linear combination y
i
− a − bx
i
of two random
variables x
i
and y
i
,
Var( y
i
− a − bx
i
)=Var( y
i
)+b
2
Var( x
i
)=σ
2
yi
+b
2
σ
2
xi
≡1/w
i
(15 .3. 3)
The sum of the square of N ... [1]
15.2 Fitting Data to a Straight Line
A concrete example will make the considerations of the previous section more
meaningful. We consider the problem of fitting a set of N...
Tài liệu Integration of Functions part 3 docx
... Cliffs, NJ: Prentice-Hall),
Đ
5 .3.
138
Chapter 4. Integration of Functions
Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521- 431 08-5)
Copyright (C) 1988-1992 ... 136
Chapter 4. Integration of Functions
Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521- 431 08-5)
Copyright (C) 1988-1992 by ... the comb...
Tài liệu A Guide to the Project Management Body of Knowledge Part 3 doc
... set of
automated tools available within the organization and integrated into a system. The
PMIS is used by the project management team to support generation of a project
charter, facilitate ... organizing the deliverables and associated project work into a
WBS that can meet the control and management requirements of the project
management team is an...
Focus of present perfect 1 ppsx
...
somewhere before. somewhere before.
19 Review of the past simple, continuous and perfect 20 The past perfect continuous
19 Exercises
1 Past simple, continuous and perfect (A-D)
Look at these sentences ... For
irregular past participles see page 383.
C Present perfect and past perfect
Compare these examples.
PRESENT PERFECT (before now) PAST PERFECT (before th...
Focus of present perfect 2 pps
... 21 Review of present and past tenses
A Introduction
Study the verb forms.
Claire is ready to go on safari.
Present continuous: She is waiting for her guide.
Present simple: ... done or I did? (Units 14-15)
PRESENT PERFECT PAST SIMPLE
The present perfect tells us about the past and the The past simple tells us about the past, a time
present. which is finished.
They ... p...
Focus of present perfect 3 doc
... done? (Unit 17)
PRESENT PERFECT CONTINUOUS PRESENT PERFECT
We use the present perfect continuous for an We use the present perfect simple for a complete
action over a period of time leading ... past.
PAS! PERFECT CONTINUOUS PAST PERFECT
We use the past perfect continuous for an action We use the past perfect simple for a complete
over a period of time. We are...
Focus of present perfect 4 ppsx
...
Rachel could use any of these in her letter.
C Will
We often use will as a neutral way of expressing the future, but it is not 'the future tense'. It
is only one of the forms we can ... might watch it.
4 We're off at last. We arrive in New York at seven.
5 This train is never on time. We always arrive late.
3 Present and future (A-D)
Read each pair of senten...
Focus of present perfect 5 doc
... the present simple for the future after if (see Unit 144). If you come
in late tonight, please don't make a noise.
C Present perfect
After a linking word of time, we can often use the present ...
houses. Most of them (4)………………………………
(be) for young families. And we intend to take care
of the environment. (5) ……………………………………
(we / not / cut) down all the trees, only a...
Focus of present perfect 6 ppsx
... the present simple for the future after if (see Unit 144). If you come
in late tonight, please don't make a noise.
C Present perfect
After a linking word of time, we can often use the present ... events)
The ship will be sailing soon, (part of our journey)
More than one form is often possible. Will (Unit 23) or the present continuous (Unit 26A) often have a
very simil...
Focus of present perfect 7 pot
... He won lots of prizes
before he was twenty. By the age of twenty-five he had had his own exhibition. He was the
subject of a TV documentary by the time he was thirty. By the age of thirty-five ... exhibition by the age of twenty-five.
2
I wonder if
by the time I'm thirty.
3
Maybe ………………………………………………………………………….by the age of thirty-five.
4
I hope
by the age of...
Focus of present perfect 8 pdf
... We've just had a game of tennis. had =
2 My father has a cup of cocoa every evening, has =
3 We've just had three weeks in Morocco. had =
4 Claire had lots of presents on her birthday. ... classes will begin.
8
I will to have finished lunch by two o'clock.
Test 7C
Put in a form of the verb. Use the future continuous
(will be doing),
the future perfect
{will...
Focus of present perfect 9 pptx
... I'd love to.
May I use your phone? ~ Yes, of COURSE
B Form
A yes/no question begins with an auxiliary verb. An auxiliary verb is a form of be or have or a modal verb
e.g. can. The auxiliary ... before the subject.
Have you been working? Could we have done better?
In the present simple and past simple we use a form of do.
AUXILIARY SUBJECT
Do the buses
run ever
y
da
y...
Focus of present perfect 10 ppsx
... chairs, please?
~
Yes, of course.
OR
I'm afraid I'm rather busy.
Suggestion:
Shall we have a coffee?
~
Yes, OK.
OR
Sorry, I can't. I have to go.
Offer:
Can I give you ... time to go? ~
Yes, it is.
It's ten past eleven.
Note that in the present simple and past simple we use a form of
do.
Do
you like classical music?
~
Yes, I
do.
NOT
Y
ES
I...