Compare and contrast

Compare and contrast 

One syllable

Adjectives with one syllable form their comparatives and superlatives :
cheap » cheaper » cheapest   ||   large » larger » largest    ||    bright » brighter » brightest  etc.
Exceptions:
good » better » best   ||   bad » worse » worst   etc.
 

Two syllables
Some adjectives with two syllables form their comparatives and superlatives :
pretty » prettier » prettiest    ||    happy » happier » happiest  etc. 

But many form their comparatives and superlatives using 'more':
striking » more striking » most striking    ||    common » more common » most common || clever » more clever/cleverer » most clever/cleverest etc.
 

Three or more syllables
All adjectives with three or more syllables form their comparatives and superlatives using 'more' & 'most':
attractive » more attractive » most attractive   ||   profitable » more profitable » most profitable   ||  expensive » more expensive » most expensive
 

Using Appropriate Prepositions:
You must use the right preposition in the IELTS writing task 1 to get a high score. Be accurate about the uses of to, by, of, off, in, on, for etc.

Example :
» Papers are sold by the ream.
» Oranges are purchased and sold by the dozen.
» Students enrollment in the University has increased by 2% this year.
» Eggs are counted in dozens.
» Rice is measured in kg.
» He is junior to me by 4 years.
» The employees are paid per week in this factory. 

Words to make a comparison / contrast: 

a bit / slightly / a little / only just / approximately / about / almost / precisely / quite / nearly / considerably / a huge / a great deal / quite a lot / completely / exactly 

Example:
» This year population growth of the country is slightly larger than the previous year.
» This year population grown is almost twice than 2007.
» Sale of the company has increased quite a lot this year.