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Thank you very much for correcting my writing, it's really helpful.

The line graph illustrates the population of four kinds of turtles (letherback turtle, green turtle, all species, and olive ridley turtle) in India over 32 years from 1980 to 2012. Overall, the population of leatherback turtle and green turtle are decreased, when the population of all species and ol...

Thankyou very much for your correction, it's really helpful

The bar chart illustrates the prediction of percentage of purpose and sex of the drivers on traveling by cars, in 2005. Overall, It is clearly seen that more women and men driving their cars to go to work, while the least of purpose of men driver is to go to bank and women is to visiting town. Going...

It is believe by some people
It is believed by ... as far as i know, use past or present participle after tobe

not only sustain the government earnings but can implement work for the local.
not only sustain the government earnings but also can implement work for the local.