Present Perfect Continuous signal words
   
Spelling rules in building Present Perfect Continuous Tense. 
  
    | Verbs ending with -e | 
    make | 
    I have been making | 
  
  
    | write | 
    I have been writing | 
  
  
    | drive | 
    I have been driving  | 
  
  
  
    | Verbs ending with -ee | 
    agree | 
    I have been agreeing | 
  
  
    | see | 
    I have been seeing | 
  
  
    Verbs ending with a consonant preceded by a vowel,  
      double their consonant | 
    hit | 
    I have been hitting | 
  
  
    | let | 
    I have been letting | 
  
  
    | put | 
    I have been putting | 
  
  
    | run | 
    I have been running | 
  
  
    | sit | 
    I have been sitting | 
  
  
    Two-syllable verbs:  
      the last consonant is doubled when the last syllable is stressed | 
    forget | 
    forgetting | 
  
  
    | prefer | 
    preferring | 
  
  
    | upset | 
    upsetting | 
  
  
    | Verbs ending with -ie | 
    lie | 
    lying | 
  
  
    | tie | 
    tying | 
  
  
    | Verbs ending with -c | 
    picnic | 
    picnicking | 
  
  
    | Verbs ending with -y | 
    carry | 
    carrying | 
  
  
    | enjoy | 
    enjoying | 
  
  
    | hurry | 
    hurrying | 
  
  
    | EXCEPTIONS! | 
    age | 
    ageing | 
  
  
    | dye | 
    dyeing | 
  
  
    | singe | 
    singeing | 
  
  
    | budget | 
    budgeting | 
  
  
    | enter | 
    entering |