PRESENT PERFECT CONTINOUS

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PRESENT PERFECT CONTINUOUS

por Paula Navarrete

APARATO DE GOLGI

por jessika rodriguez

Finding a Direct Object

por Caitlyn Janes

CELL ORGANELLES

por Erica Mertens

PRESENT PERFECT CONTINOUS

STRUCTURE

(=) Yes, (I/You/He/She/It/We/They) - have/has; No, (I/You/He/She/It/We/They) - haven't/hasn't.

(?) Have/Has - subject - been - verb (ing) - complement ?

(-) Subject - haven't/hasn't - been - verb (ing) - complement.

(+) Subject - have/has - been - verb (ing) - complement

SIGNAL WORDS

every night, every day

since, for

How long

EXAMPLES

(=) Yes, he has

(?) Has he been living on the next door since 1999?

(-) You haven't been studying for the final exams.

(+) I have been working here since 2011.

USES

Express an action that started in the past and is still going on in the present. Express an action that started in the past and has just finished.