Module:Grammar/Conjugate
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local p = {}
function p.pluralize(str, apostrophe)
apostrophe = apostrophe or ''
local irregularplurals = {
man = 'men'
}
if irregularplurals[str] ~= nil then
return irregularplurals[str]
elseif (str:sub(-1) == 's') then
return (str .. apostrophe) --return unmodified (ends with 's', like 'boots', so we shouldn't append another 's')
elseif (string.sub(str, -1) == 'y') and apostrophe == '' then
return (string.sub(str, 1, -2) .. 'ies')
elseif (str:sub(-1) == 'z' or str:sub(-2) == 'ch' or str:sub(-2) == 'sh' or str:sub(-1) == 'x') and apostrophe == '' then
return (str .. 'es')
else
return (str.. apostrophe .. 's')
end
end
function p.make_possessive(string)
return p.pluralize(string, "'")
end
function p.singularverb(string)
--[ Assumes the input string is already a plural verb.]
local irregularsingulars = {
["are"] = 'is',
["were"] = 'was',
["have"] = 'has',
["'re"] = "'s",
["don't"] = "doesn't",
["'ve"] = "'s"
}
local result = irregularsingulars[string]
if result ~= nil and result ~= '' then
return result
else
return string .. "s"
end
end
function p.capitalize(str)
str = str.args and str.args[1] or str
return str:gsub("^%l", string.upper)
end
return p