private void extendParagraph()
{
extensionType = Suggestion.PARAGRAPH;
isCompletingLastSentenceOfPara = false; // reset to false everytime when extending a paragraph
// if it is extending words and extensionWordPos is not at the last word of the sentence
if (extensionWordPos != -1 && extensionWordPos != currentExtensionPosWordList.Count-1)
{
displayExtension(null, false); // finish extending the current sentence
}
retrieveExtendSuggestion();
}