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Unit 4 Online Practice Exercises

Unit 4
1 .  First Conditional
USE:
a. Nature: Open condition, what is said in the condition is possible.
b. Time: This condition refers either to present or to future time.
If he is late, we will have to go without him.
If my mother knows about this, we are in serious trouble.

ü  A first conditional sentence consists of two clauses, an "if" clause and a main clause:

if clause
main clause
If you study hard,
you will pass the test.


ü  If the "if" clause comes first, a comma is usually used. If the "if" clause comes second, there is no need for a comma:

main clause
if clause
You will pass the test
if you study hard.


ü  We use different verb forms in each part of a first conditional:

if clause
if + subject + simple present verb
main clause
subject + will + verb


Using the First Conditional
The first conditional is used to talk about things which are possible in the present or the future -- things which may happen:



Example
Explanation
If it's sunny, we'll go to the park.
Maybe it will be sunny -- that's possible.
Paula will be sad if Juan leaves.
Maybe Juan will leave -- that's possible.
If you cook the supper, I'll wash the dishes.
Maybe you will cook the supper -- that's possible.

           
Practice online:

2 .  Future Possibility
Modal Verb
Example
% of Possibility
Must 
She must be sick.   
95% sure that she is (not 100%)
May
She may be sick.
50% sure that she is.
Might
She might be sick.
Less than 50% sure that she is.
Could
She could be sick.
A mere guess.  This is a very weak degree of certainty.


Modal Verbs of Probability Exercise
USE
MODAL VERBS
EXAMPLE
to express possibilities for the future
COULD, MAY, MIGHT
It may rain tomorrow.

to express certainty
CAN'T, COULDN'T, MUST
She can't be Irish.
for possible explanations
COULD, MAY, MIGHT
She could be Scottish.

EXERCISES
http://www.learnenglish-online.com/grammar/modals/tests/modalspossibility.html
http://www.learnenglish-online.com/grammar/modals/possibility.html
http://www.englishpage.com/modals/interactivemodal1.htm
http://www.learnenglish.de/grammar/verbmodal.htm#Could
http://www.englishgrammarsecrets.com/maymight/exercise1.html
http://www.englishgrammarsecrets.com/maymight/exercise2.html
http://www.englishgrammarsecrets.com/maymight/exercise3.html
http://www.englishgrammarsecrets.com/maymight/exercise4.html

Unit 3 Online Practice Exercises

Unit 3
1 .  Question Words as Subjects

Generally speaking, there are two kinds of questions: YES/NO questions and information questions. In "yes/no questions", the answers are usually simple and can only be either yes or no.

Example:
Are you a student? Yes (I am). -------   Can she sing well? No (she can´t).

In information questions, we use question words (wh-words) such as:  when, who, whom, what, when, where and how.

Meaning:
What?: word normally used to inquire about a thing.
When?: used to asked about period of time.
Where?: word used to ask about location, place.
Who?: used to ask about people.
How?: word to inquire about what manner or to what extent.

The general structure of sentence containing an “Information question” is:


Object
Auxiliary verb
Subject
Main verb
What
did
Mary
see?
When
does
Carlos
arrive?
Where
did
peter
go?
Who
did
you
meet?
How
do
you
drive


BUT  when the question word is “what” or “who” and  these words represent  the subject of the sentence, we do not use the auxiliary.


Subject
Main verb
What
happened?
Who
came home?


ALSO in the case of “what” it can also be used followed by a noun:


Object
Noun
What
car are you driving?
What
class are you in?
What
subject did you study?


Practice online:

2 .  Tag Questions
A "tag" is something small that we add to something larger. For example, the little piece of cloth added to a shirt showing size or washing instructions is a tag. 

A tag question is a special construction in English. It is a statement followed by a mini-question. The whole sentence is a "tag question", and the mini-question at the end is called a "question tag".

We use tag questions at the end of statements to ask for confirmation. They mean something like: "Am I right?" or "Do you agree?" They are very common in English.

The basic structure is:


+
Positive statement,
-
Negative tag?
Snow is white,
isn't it?
-
Negative statement,
+
Positive tag?
You don't like me,
do you?


Look at these examples with positive statements:


positive statement [+]

negative tag [-]

notes:
subject

auxiliary

main

verb


auxiliary

not

personal
pronoun
(same as subject)

You
are
coming,

are
n't
you?

We
have
finished,

have
n't
we?

You
do
like
coffee,
do
n't
you?

You


like

coffee,

do

n't

you?

You (do) like...
They

will

help,


wo
n't

they?

won't = will not
I
can
come,

can
't
I?

We
must
go,

must
n't
we?

He
should
try
harder,
should
n't
he?

You

are
English,
are
n't
you?
no auxiliary for main verb be present & past
John

was
there,
was
n't
he?





 Look at these examples with negative statements:

positive statement [+]
negative tag [-]
subject

auxiliary


Main verb



auxiliary

personal
pronoun
(same as subject)
It
is
n't
raining,


is
it?
We
have
never
seen

that,
have
we?
You
do
n't
like

coffee,
do
you?
They
will
not
help,


will
they?
They
wo
n't
report

us,
will
they?
I
can
never
do

it right,
can
I?
We
must
n't
tell

her,
must
we?
He
should
n't
drive

so fast,
should
he?
You


are
n't
English,
are
you?
John


was
not
there,
was
he?


  Some special cases:


I am right, aren't I?
aren't I (not am n't I)
You have to go, don't you?
you (do) have to go...
I have been answering, haven't I?
use first auxiliary
Nothing came in the post, did it?

treat statements with nothing, nobody etc like negative statements
Let's go, shall we?
let's = let us
He'd better do it, hadn't he?
he had better (no auxiliary)


Intonation
We can change the meaning of a tag question with the musical pitch of our voice. With rising intonation, it sounds like a real question. But if our intonation falls, it sounds more like a statement that doesn't require a real answer:



Intonation
You don't know where my wallet is,
do you?

/ rising

real question
It's a beautiful view,
isn't it?
\ falling
not a real question


Practice online:



3 .  Indirect  Questions

WORD ORDER
In direct questions, the verb is either first or comes immediately after the question word:

I she at home?  Can you help me?  Has she told them?  How is she feeling? (With auxiliary do:) Does he understand?  What did she say?

Indirect wh- question (who, when, what, where, how).  Note that the do disappears.

                        What did he say?            Becomes:    Do you know what he said?

If we do not begin a question directly, but begin it with something like:

Can you tell me...?

Do you know...? I wonder if...?

 The word order is the same as in an affirmative statement

Direct question: What is he doing?
Indirect question: Do you know what he is doing?

Direct question: Where have they been?
Indirect question: I wonder where they have been?

DO, DOES, DID

If the direct question contains do, does or did, we omit it in the indirect question

Direct question: What do you want?
Indirect question: Can you tell me what you want?

Direct question: When did she leave?
Indirect question: Do you know when she left?

 YES / NO QUESTIONS

Do you know if she is at home?  (Supply if or whether, usually if.  Subject back to first position.) 

In yes / no questions, we use if or whether (the word order is the same as in reported questions

Direct question: Have you seen my dog?
Indirect question: Could you tell me if you have seen my dog?

Contrasting examples:

Direct question
Indirect (embedded) question
Is she at home?      
Do you know if she is at home?
Can you help me?  
Do you think you can help me?
Has she told them?
Do you know if she has told them
(She is sick:) How is she feeling?
Have you heard how she is feeling?
Does he understand?
Do you think he understands?
What did she say?  
Do you know what she said?


Practice online: