Are there any sites on the internet where I can learn grant writing?

Answer 1

Here are some sites and resources that can help you with grant writing

Great collection of grant writing resources http://www.proposalwriter.com/grantwriting.html#Grantwriting
University of Wisconsin has another great collection of resources on writing grants http://grants.library.wisc.edu/organizations/proposalwebsites.html
Links to Other Proposal Writing Resources http://www.learnerassociates.net/proposal/links.htm

The Foundation Center also has several online tutorials on grant writing, some of which are free. Check out their list of grant tutorials at
http://fdncenter.org/getstarted/training/classroom.html

Answer 2

Try here: http://www.npguides.org/

Alternatively, just type "grant writing" (in quotes) into Google:

http://www.google.com/search?q=%22grant+writing%22