padrão voz ativa do verbo (have - termo depois)

Com POS: (had_VBD|had_VBD had_VBN) (~VBN) X ( .|,|:|;|( )

1. Java: Com POS: (?:had_VBD|had_VBD had_VBN)\\s(?![\\w-/]*_VBN)((?:[\\w-/]*_[A-Z]{2,3}\\s)*?)(?:\\.|,|:|;|-LRB)
	// Obs: Para cada sentença etiquetada, é necessário remover a barra invertida
		
2. Perl: Com POS: (?:had_VBD|had_VBD had_VBN)\s(?![\w-/]*_VBN)((?:[\w-/\\]*_[A-Z]{2,3}\s)*?)(?:\.|,|:|;|-LRB)
	// \w  Casa letras, dígitos, ou '_'.
	// 1 e 2 são equivalentes

Sentences Examples:
	
In_IN 72_CD patients_NNS evaluated_VBN by_IN transcranial_JJ Doppler_NNP studies_NNS -LRB-_-LRB- TCD_NNP -RRB-_-RRB- ,_, 34_CD patients_NNS were_VBD at_IN risk_NN of_IN primary_JJ stroke_NN and_CC only_RB 1_CD had_VBD a_DT cerebrovascular_JJ event_NN after_IN a_DT follow-up_JJ of_IN 96_CD patient-years_NNS ._.

As_IN a_DT whole_NN ,_, 34_CD patients_NNS were_VBD considered_VBN at_IN risk_NN of_IN primary_JJ stroke_NN on_IN the_DT basis_NN of_IN abnormal_JJ TCD_NNP ,_, and_CC 7_CD of_IN the_DT 21_CD explored_VBN by_IN MRI\/MRA_NNP had_VBD moderate\/severe_JJ arterial_JJ stenosis_NN ._.

Two_CD patients_NNS who_WP had_VBD quit_VBN transfusion_NN subsequently_RB died_VBD of_IN sepsis_NN ._.

From_IN the_DT SC_NNP group_NN ,_, aside_RB from_IN the_DT 2_CD patients_NNS who_WP had_VBD stroke_NN in_IN the_DT immediate_JJ posttrial_JJ period_NN prior_RB to_TO choosing_NN treatment_NN ,_, 1_CD patient_NN who_WP refused_VBD transfusion_NN and_CC 2_CD who_WP started_VBD transfusion_NN during_IN the_DT posttrial_JJ follow-up_JJ developed_JJ stroke_NN ._.

The_DT only_JJ patient_NN from_IN the_DT TX_NNP group_NN who_WP developed_VBD stroke_NN had_VBD discontinued_VBN transfusion_NN after_IN the_DT trial_NN ._.

All_DT 6_CD patients_NNS who_WP developed_VBD stroke_NN during_IN the_DT posttrial_JJ follow-up_NN had_VBD a_DT last_JJ interpretable_JJ TCD_NNP that_WDT was_VBD abnormal_JJ prior_RB to_TO stroke_NN regardless_RB of_IN transfusion_NN status_NN ._.

Treatment_NNP was_VBD also_RB withdrawn_VBN in_IN 5_CD of_IN 6_CD children_NNS who_WP had_VBD developed_VBN hypersplenism_NN ,_, in_IN 3_CD because_IN of_IN a_DT pathological_JJ transcranial_NN Doppler_NNP ,_, and_CC in_IN 2_CD after_IN a_DT stroke_NN ._.

One_CD 18-year_JJ old_JJ patient_NN ,_, who_WP had_VBD received_VBN hydroxyurea_NN for_IN 11_CD months_NNS and_CC had_VBD only_RB a_DT slight_JJ reduction_NN in_IN the_DT frequency_NN of_IN painful_JJ episodes_NNS ,_, died_VBD suddenly_RB from_IN asystole_NN while_IN he_PRP was_VBD hospitalized_VBN for_IN a_DT painful_JJ crisis_NN ._.

This_DT child_NN had_VBD a_DT stroke_NN after_IN 8_CD years_NNS of_IN treatment_NN ._.

Before_IN hydroxyurea_NN treatment_NN ,_, three_CD of_IN them_PRP had_VBD splenomegaly_RB and_CC two_CD a_DT previous_JJ history_NN of_IN splenic_JJ sequestration_NN ._.

The_DT diagnosis_NN was_VBD based_VBN on_IN an_DT increase_NN in_IN spleen_NN size_NN and_CC concomitant_JJ thrombocytopenia_NN ;_: two_CD cases_NNS ,_, aged_VBN 6_CD and_CC 7_CD ,_, had_VBD recurrent_JJ splenic_JJ sequestration_NN crises_NNS ._.

This_DT short_JJ interval_NN strongly_RB suggested_VBD that_IN the_DT bone_NN pains_NNS which_WDT had_VBD prompted_VBN hydroxyurea_NN treatment_NN were_VBD in_IN fact_NN the_DT first_JJ manifestation_NN of_IN the_DT leukemia_NN ._.

When_WRB the_DT acute_JJ chest_NN syndrome_NN was_VBD diagnosed_VBN ,_, patients_NNS had_VBD hypoxia_NN ,_, decreasing_VBG hemoglobin_NN values_NNS ,_, and_CC progressive_JJ multilobar_JJ pneumonia_NN ._.

Patients_NNS who_WP were_VBD 20_CD or_CC more_JJR years_NNS of_IN age_NN had_VBD a_DT more_RBR severe_JJ course_NN than_IN those_DT who_WP were_VBD younger_JJR ._.

Neurologic_JJ events_NNS occurred_VBD in_IN 11_CD percent_NN of_IN patients_NNS ,_, among_IN whom_WP 46_CD percent_NN had_VBD respiratory_JJ failure_NN ._.

When_WRB we_PRP analyzed_VBD only_JJ patients_NNS who_WP had_VBD hypoxia_NN before_IN transfusion_NN -LRB-_-LRB- defined_VBN as_IN an_DT oxygen_NN saturation_NN of_IN less_JJR than_IN 91_CD percent_NN -RRB-_-RRB- ,_, the_DT values_NNS increased_VBD from_IN 86_CD percent_NN to_TO 93_CD percent_NN -LRB-_-LRB- P_NNP -LRB-_-LRB- 0.001_CD -RRB-_-RRB- ._.

Laryngospasm_NNP occurred_VBD in_IN 10_CD patients_NNS ,_, and_CC pneumothorax_NNS developed_VBN in_IN 2_CD patients_NNS ,_, both_DT of_IN whom_WP had_VBD had_VBN the_DT acute_JJ respiratory_JJ distress_NN syndrome_NN before_IN the_DT bronchoscopy_NN ._.

As_IN compared_VBN with_IN the_DT patients_NNS who_WP underwent_VBD bronchoscopy_NN without_IN incident_NN ,_, the_DT patients_NNS who_WP had_VBD complications_NNS were_VBD more_RBR likely_JJ to_TO present_VB with_IN dyspnea_NN -LRB-_-LRB- 61_CD percent_NN vs._IN 36_CD percent_NN ,_, P_NNP =_SYM 0.04_CD -RRB-_-RRB- and_CC higher_JJR peak_NN respiratory_NN rates_NNS -LRB-_-LRB- mean_NN ,_, 47_CD vs._IN 41_CD per_IN minute_NN ;_: P_NNP =_SYM 0.03_CD -RRB-_-RRB- ._.