Adj = adjective
Adv = adverb
Aux = auxiliary
Cl = clause
CN = count noun
Comp = comparative
Conj = conjunction
Do = direct object
Fut = future
Infin = infinitive
Io = indirect object
Irr = irregular
N = noun
Ncn = non-count noun
Neg = negative
Obj = object
Part = participle
Past part = past participle
Past perf = past perfect
Perf part = perfect participle
Pl = plural
Prep = preposition
Pres = present
Pron = pronoun
Qw = question word
S = subject
Sing = singular
Suprl = superlative
V = verb