For writing a article you just need take some concept from others article or from others blog . When you have some idea what you are going to write , you just copy some paragraph in a word file and just change the verbs with synoneme and for doing that you have to do the below's work.
First select the word and click in right button and when you will click to right button and you will find some synonymes and you just select a word from it.
You can change the voice also and you can change the nouns also just few.
For making or increasing the writing capacity you need to read more , the more you will read , the more you will learn and you will able to write and you can share or spread your knowledge by writing or making blog or article .