একাদশ শ্রেণির পড়াশোনা

28. We must use hyphen (-) when compound adjective will be placed before a noun. For example,
•I have got an up-to-date account of Clash Royal.
•He trusts only well-known brands of shoes.
29. We will not use any hyphen (-) when this compound noun will be placed after a noun. For example:
•I got the Clash Royal account up to date.
•She san a song well known to all.
30. Sometimes combination of two words work as a compound verb. We have to use hyphen (-) in Compound Verb. 
Examples:
Noun     Verb
a spot check     to spot-check
a court martial     a court-martial
an ice skate     to ice-skate
31. We will not use hyphen (-) when phrasal verb will be created with the main verb using preposition or adverb.
Examples:
•Build up = I should continue to build up my pension fund.
•Stop off = We stopped off in Jashore on the way home.
•Break in = He broke in by forcing a lock on the door of her living room.
32. But, if the phrasal verb is used as a noun then we must use hyphen (-).
Examples,
•Build-up = We found a build-up of traffic on the Elephant Road.
•Stop-off = I knew there would be a stop-off in Daulatpur for refueling.
•Break-in = That house was unoccupied at the time of the break-in.
33. Words like Òair-crew Ó, Òplay-groupÓ Òchat-roomÓ were used to hyphenated (-) before. But now those are written as ÒaircrewÓ, ÒplaygroupÓ, 
ÒchatroomÓ. We should not use Òchat-roomÓ and ÒchatroomÓ in the same sentence.
34. Sometimes hyphens (-) are used after a Prefix especially at the end of that hyphen (-) if we find a vowel. But this rule is getting obsoleted day by day and without hyphen words can be used.
Examples :
•With hyphen (-) : Co-own, Pre-eminent.
•Without hyphen (-) : Cooperate (Co-operate), 
35. We have to use hyphen when we want to separate a date or name from the Prefix.
Examples :
•pre-1600
•post-Aristotelian

Words and Phrases
1. Complete the sentences with suitable phrases/words given in the box.

there 
was born 
as if 
have to 
let alone
what if 
had better 
as soon as 
would rather 
what’s it like
(a) I have never walked five miles at a stretch — ten miles. The idea of walking so much distance frightens me.
(b) I have never visited Kuakata. — visiting this place in the coming summer vacation?
(c) People do not like his way of behaviour. He always behaves — he were a great leader.
(d) The price of mango is high in our country. — we turn this land into a mango orchard?
(e) The criminal ran away — he saw the police. He was afraid of being arrested.
(f) Smoking tells upon the smoker's health greatly. You — give up this bad habit.
(g) Once — lived a king named Solomon. He was very wise.
(h) Shimul — work hard than beg. He is very industrious and painstaking
(i) Tapan is somewhat backward in his preparation for the coming HSC Exam. He — study hard to get completely prepared before the exam.
(j) Albert Einstein was a great scientist of physics. He — in 1879 and breathed his last in 1955.
Answer : (a) let alone (b) what’s it like (c) as if (d) what if (e) as soon as (f) had better (g) there (h) would rather (i) have to (j) was born
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