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Simple
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Complex
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Compound
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1
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Verb+
ing
A. Doing the work, he will help me.
B. Having written the letter, I posted it.
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When/since/as
A. When he will do the work, he will help me.
B. When I had written the letter, I posted it.
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And/ And so
A. He will do the work and help me.
B. I had written the letter and posted it.
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2
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Being
Being ill, I can’t do the work.
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When/since/as
Since I am ill, I can’t do the work.
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And /and so
I am ill and can’t do the work.
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3
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Because
of +verb+ ing /noun
Because of illness, I can’t help him.
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Since/as/because
Since I am ill, I can’t help him.
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And/
and so
I am ill and so I can’t help him.
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4
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To+v1/
infinitive
We try hard to prosper in life.
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So
that
We try hard so that we can prosper in life.
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Want/
wanted+ and
We want to prosper in life and we try hard.
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5
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In
spite of/ despite +noun + verb + ing
Despite being poor, he bought a computer.
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Though/although
Although he was poor, he bought a computer.
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But
He was poor but he bought a computer.
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6
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By
+ verb + ing / N .P
By running fast, you can catch the bus.
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If
If you run fast, you can catch the bus.
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Imperative
+ and
Run fast and you can catch the bus.
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7
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Without
+ verb +ing / N.P
A. Without working hard, you can’t be a great man.
B. Without doing so, you will die.
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Unless
/if not
A. you can’t be a great man if you don't work hard.
B. If you do not do it, you will die.
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Imperative
+ or
A. Work hard or you can’t be a great man.
B. Do or die.
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8
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Noun/pronoun(me,you,us,him,
Her,
them)+verb+ing
A. I saw Habib playing cricket.
B. I saw him going to the field.
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…..when
+sub + verb
Or,
who + verb
A. I saw Habib when he was playing cricket.
B. I saw him when he was going to the field.
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And
A. I saw Habib and he was playing cricket.
B. I saw him and he was going to the field.
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9
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Noun/
pronoun + verb + ing
I found a bird sleeping on a tree.
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…when
+sub + verb
Or,
which +verb
I found a bird when it was sleeping on a tree.
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And
I found a bird and it was sleeping on a tree.
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10
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Too….to+v1
Rifa is too weak to work hard.
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So….
+that……
Rifa is so weak that she cannot work hard.
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Very…..and/
so
Rifa is very weak so she can’t work hard.
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11
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Sub+tobe+
very +adj +noun
Rajib is a good boy.
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….who/
which +verb + adjective
Rajib is a boy who is good.
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And
Rajib is a boy and he is good.
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12
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If
the adjective qualifies the subject
A. Unity is strength.
B. She is a beautiful girl.
C. Health is wealth.
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Sub+
verb+ noun+ relative pronoun+ tobe+ adjective
A. It is unity which is strength.
B. She is a girl who is beautiful.
C. It is health which is wealth.
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And
A. It is unity and it is strength.
B. She is a girl and she is beautiful.
C. It is health and that is wealth.
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13
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In,
on,at+time word
A. Sadaf went to kuakata at eight.
B. I was in Dhaka in 1971.
C. He woke up at the time of rain.
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When+subordinate
clause.
A.Sadaf went to kuakata when he was eight.
B. When it was 1971, I was in Dhaka.
C. When it was raining, I woke up.
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And
A.Sadaf was eight and he went to kuakata.
B. It was 1971 and I was in Dhaka.
C. He woke up, and it was raining.
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14
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Besides
being
Besides being punctual Mr. Rahim is sincere.
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When
When Mr. Rahim is punctual, he is sincere.
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Not
only ------but also
Mr. Rahim is not only punctual but also sincere.
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