Use-: If---------not or
Unless
(A) When If-sentence
is negative-
e.g. (Use-
Unless)
1) If he does not run fast, he will miss the
train.
Ans- Unless he runs fast, he
will miss the train.
2) If she did not catch the ball, she would be
punished.
Ans- Unless she caught the ball,
she would be punished.
3) If you are lucky, you will not fail.
Ans- Unless you are lucky,
you will fail.
4) If we are not fair to any one, the world cannot
be fair to us.
Ans- Unless we are fair to any
one, the world cannot be fair to us.
5) If you are brave, you will not fear.
Ans- Unless you are brave,
you will fear.
6) You are likely to be punished, if you don’t
express regret.
Ans- Unless you express
regret, you are likely to be punished.
7) If they do not work hard,
they will not win.
Ans- Unless they work hard, they
will not win.
Rules :-
1) Write 'Unless' in place of 'If'.
2) Remove ‘not’ from If-sentence.
3) If there are two ‘not’, remove only one.
4) When ‘do not’ is removed, there is no change in the next verb.
When ‘does not’ is removed, add ‘–s or –es’ to the next verb.
When ‘did not’ is removed, make past form of the next verb.
(B) When If- sentence is affirmative—
e.g. (Use-Unless)
1) If you are lucky, you
will win.
Ans- Unless you are lucky,
you will not win.
2) If you work hard, you
will get money.
Ans- Unless you work hard,
you will not get money.
3) I shall read this news,
if you allow me.
Ans- I shall not read this
news, unless you allow me.
4) Tree nesting birds live
only if there are trees.
Ans- Tree nesting birds do
not live unless there are trees.
5) If it increases the sale
of goods, industry prospers.
Ans- Unless it increases the
sale of goods, industry does not prosper.
6) If Raju caught the bus,
he would reach in time.
Ans- Unless Raju caught the
bus, he would not reach in time.
7) If Seeta sings a song,
she will win the prize.
Ans- Unless Seeta sings a
song, she will win the prize.
Rules :-
Rules :-
1) Write ‘If’ in place of ‘Unless’.
2) Write 'If-clause' as it is.
2) Write 'If-clause' as it is.
3) Write ‘not’ after the auxiliary verb of second clause.
4) When there is no auxiliary verb use ‘do, does, did’.
(C) Use- If- -
- not
e.g.
1) Unless you work hard, you will fail.
Ans- If you do not work
hard, you will fail.
2) Unless he works hard, he will not pass.
Ans- If he does not work
hard, he will not pass.
3) Unless he worked hard, he would not earn
money.
Ans- If he did not work
hard, he would not earn money.
4) Unless you start singing, you will not get
prize.
Ans- If you do not start
singing, you will not get prize.
5) Unless she accepts the
proposal, I will not come.
Ans- If she does not accept
the proposal I will not come.
6) Unless they bring the
news, she will not make meal.
Ans- If they don’t bring the
news, she will not make meal.
7) Unless you are brave, you
will not do that job.
Ans- If you are not brave,
you will not do that job.
(D) For clause having without- -
Use – If - - - no / Unless
e.g.
1) Without freedom, we have
no civilization.
Ans- If there is no freedom,
we have no civilization.
Ans- Unless there is
freedom, we have no civilization.
2) Without water, all living
things die.
Ans- If there is no water,
all living things die.
Ans- Unless there is water,
all living things die.
3) Without Nile, Egypt would
be a desert.
Ans- If there is were Nile,
Egypt would be a desert.
Ans- Unless there were Nile,
Egypt would be a desert.
4) The human body cannot
function properly without specific nutrients.
Ans- The human body cannot
function properly if there are no specific nutrients.
Ans- The human body cannot
function properly, unless there are specific nutrients.
5) Without money, I will not
become successful.
Ans- If there is no money, I
will not become successful.
Ans- Unless there is money,
I will not become successful.
6) Without books, Rahul cannot
study.
Ans- If there are no books,
Rahul cannot study.
Ans- Unless there are books,
Rahul cannot study.
7) Without music, I cannot
start dance.
Ans- If there is no music, I
cannot start dance.
Ans- Unless there is music,
I cannot start dance.
Rules –
1) Write ‘If’ or ‘Unless’ in place of ‘without’.
2) Take subject and verb like- ‘there is, there are, there was, there were’.
3) Write ‘no’ after verb in 'If-clause'. For 'Unless – clause' do not use 'no or not' after verb.
4) Write second clause as it is.
‘No’ is
adjective while ‘Not’ is adverb. So before ‘noun’ use ‘no’ and before ‘verb,
article, adjective’ use ‘not’.
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