Present Perfect Continuous vs Perfect Simple
(I Have Been Doing and I Have Done) — Complete Comparison Guide Présent Parfait Continu vs Parfait Simple
(I Have Been Doing et I Have Done) — Guide Complet de Comparaison

I have been doing focuses on the activity itself — it may or may not be finished, and there is often evidence of it now (dirty hands, paint on clothes). I have done focuses on the completed result — the action is finished and we care about what has been achieved.

I have been doing met l'accent sur l'activité elle-même — elle peut être terminée ou non, et il y a souvent une trace visible. I have done met l'accent sur le résultat accompli.

Use how long + continuous for an action that is still ongoing: How long have you been reading that book? (still reading). Use how many/much + simple for completed quantities: How many pages have you read?

Utilisez how long + continu pour une action encore en cours. Utilisez how many/much + simple pour des quantités d'actions accomplies.

Know is a stative verb — it describes a state of mind, not an action. Stative verbs are not used in continuous forms. Use the simple: I have known him for years. Other stative verbs: like, love, hate, want, understand, remember, belong, contain.

Know est un verbe statif — il décrit un état mental, pas une action. Les verbes statifs ne s'utilisent pas au continu. Utilisez le simple : I have known him for years.

Yes! The continuous can describe an activity that has recently finished but whose effects are still visible now: I'm tired because I've been running — the running is finished but I am still tired. The continuous emphasises the activity, not its completion.

Oui ! Le continu peut décrire une activité récemment terminée dont les effets sont encore visibles maintenant : I'm tired because I've been running — la course est finie mais je suis encore fatigué.