START OF THE TOPIC   

Main Sections:   
  
THE BASE FORM   
  
PAST AND PRESENT FORMS  
  
THE INFINITIVE FORM 

MORE VERB FORMS: -ING AND -ED 

FINITE AND NONFINITE VERBS 

AUXILIARY VERBS 

AUXILIARY VERB TYPES 

THE NICE PROPERTIES OF AUXILIARIES 

SEMI-AUXILIARIES 

TENSE AND ASPECT 

VOICE