edu.stanford.nlp.naturalli

Enum VerbTense

java.lang.Object

java.lang.Enum<VerbTense>

edu.stanford.nlp.naturalli.VerbTense

All Implemented Interfaces:

Serializable, Comparable<VerbTense>

public enum VerbTense
extends Enum<VerbTense>

A mapping from verbs to their different tenses. This is English-only, for now.

Author:

Gabor Angeli

Enum Constant Summary

Enum Constants

Enum Constant and Description
INFINITIVE
PAST
PAST_PARTICIPLE
PAST_PLURAL
PRESENT_PARTICIPLE
PRESENT_PLURAL
SINGULAR_PAST_FIRST_PERSON
SINGULAR_PAST_SECOND_PERSON
SINGULAR_PAST_THIRD_PERSON
SINGULAR_PRESENT_FIRST_PERSON
SINGULAR_PRESENT_SECOND_PERSON
SINGULAR_PRESENT_THIRD_PERSON

Method Summary

Modifier and Type	Method and Description
String	conjugateEnglish(CoreLabel token)
String	conjugateEnglish(CoreLabel token, boolean negated)
String	conjugateEnglish(String lemma)
String	conjugateEnglish(String lemma, boolean negated) Apply this tense to the given verb.
static VerbTense	of(boolean past, boolean plural, boolean participle, int person) Get the correct verb tense for the verb tense's features.
static VerbTense	valueOf(String name) Returns the enum constant of this type with the specified name.
static VerbTense[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

INFINITIVE

public static final VerbTense INFINITIVE

SINGULAR_PRESENT_FIRST_PERSON

public static final VerbTense SINGULAR_PRESENT_FIRST_PERSON

SINGULAR_PRESENT_SECOND_PERSON

public static final VerbTense SINGULAR_PRESENT_SECOND_PERSON

SINGULAR_PRESENT_THIRD_PERSON

public static final VerbTense SINGULAR_PRESENT_THIRD_PERSON

PRESENT_PLURAL

public static final VerbTense PRESENT_PLURAL

PRESENT_PARTICIPLE

public static final VerbTense PRESENT_PARTICIPLE

SINGULAR_PAST_FIRST_PERSON

public static final VerbTense SINGULAR_PAST_FIRST_PERSON

SINGULAR_PAST_SECOND_PERSON

public static final VerbTense SINGULAR_PAST_SECOND_PERSON

SINGULAR_PAST_THIRD_PERSON

public static final VerbTense SINGULAR_PAST_THIRD_PERSON

PAST_PLURAL

public static final VerbTense PAST_PLURAL

PAST

public static final VerbTense PAST

PAST_PARTICIPLE

public static final VerbTense PAST_PARTICIPLE

Method Detail

values

public static VerbTense[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (VerbTense c : VerbTense.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static VerbTense valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

of

public static VerbTense of(boolean past,
                           boolean plural,
                           boolean participle,
                           int person)

Get the correct verb tense for the verb tense's features.

Parameters:

past - If true, this is a past-tense verb.

plural - If true, this is a plural verb.

participle - If true, this is a participle verb.

person - 1st, 2nd, or 3rd person: corresponds to 1,2, or 3 for this argument.

Returns:

The verb tense corresponding to this information

conjugateEnglish

public String conjugateEnglish(String lemma,
                               boolean negated)

Apply this tense to the given verb.

Parameters:

lemma - The verb to conjugate.

negated - If true, this verb is negated.

Returns:

The conjugated verb.

conjugateEnglish

public String conjugateEnglish(String lemma)

See Also:

conjugateEnglish(String, boolean)

conjugateEnglish

public String conjugateEnglish(CoreLabel token,
                               boolean negated)

See Also:

conjugateEnglish(String, boolean)

conjugateEnglish

public String conjugateEnglish(CoreLabel token)

See Also:

conjugateEnglish(String, boolean)