Present Perfect Continuous signal words

Grammar explanations Present Perfect Continuous form
Present Perfect Continuous signal words
Present Perfect Continuous spelling
Present Perfect Continuous uses
Exercises Present Perfect Continuous

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
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