"""Knowledge of expert"""

def __init__(self, phrases, one_letter = False):

list_p = phrases

if len(phrases)>0:

#if without pos

if type(phrases[0]) is not tuple:

#don't allow one-letter words

if not one_letter:

list_p = filter(lambda x: len(x)>1, phrases)

list_p = itertools.chain(*map(lambda x:x.split('_', 1 ),list_p))

self.phrases = list(set([Word(w) for w in list_p if w in english_wordlist]))

#if basic knowledge - key words

else:

if not one_letter:

list_p = filter(lambda x: len(x[0])>1, phrases)

self.phrases = [Word(w[0],w[1]) for w in phrases if w[0] in english_wordlist]

self.phrases = list(set(self.phrases))

#print [ (w.name,w.pos) for w in self.phrases]

forms = self.add_forms()

self.phrases = list(set(self.phrases)) + list(set(forms))

self.phrases = list(set(self.phrases))

else:

self.phrases = []

def add_forms(self):

forms = []

for w in self.phrases:

if en.is_verb(w.name):

try:

vb = en.verb.infinitive(w.name)

vbd = en.verb.past(w.name)

vbp1 = en.verb.present(w.name, person = 1)

vbp2 = en.verb.present(w.name, person = 2)

vbz = en.verb.present(w.name, person = 3)

vbg = en.verb.present_participle(w.name)

forms.append(Word(vb,"VB"))

forms.append(Word(vbd,"VBD"))

forms.append(Word(vbp1,"VBP"))

forms.append(Word(vbz,"VBZ"))

forms.append(Word(vbg,"VBG"))

except:

print "Error in conjugation for verb:" + w.name

elif en.is_noun(w.name):

nns = en.noun.plural(w.name)

forms.append(Word(nns, "NNS"))