learn English Grammar

[shibli]

Open Punctuation
MBA not M.B.A.; Mr not Mr.; Ph D not Ph.D.; Pte Ltd not Pte.Ltd.;
EEC not E.E.C.

Hyphened words are always singular
Five-year plan; Five-point demand;    Five years plan

The following noun adjectives are always plural
Public Relations Officer; Admissions Office; Operations Research; Accounts Officer; Savings Account.
Subject verb agreement
Our sales of this exciting new product justify an increased budget.
The use of computers in homes has increased in recent years.
A family having 5 members is tough to maintain.

[shibli]

Reduced Adverb Clauses
When orbiting the earth, astronauts don’t feel the force of gravity
Although damaged, the machine was still operational
Although nervous, he gave a wonderful speech

Use of ‘So’
So + Adjective/Participle + Verb
So       rare                     is       the coin that it belongs in a museum
So      confusing            was    the map