they have concentrated
-se sont concentrés
Present perfect they conjugation of concentrate.
See all conjugations of concentrate

concentrate

Accordingly, they have concentrated their attention on AdWords.
C’est pourquoi ils ont concentré leur attention sur AdWords.
I thank all Members for their interesting contributions. They have concentrated on a few topics.
Je remercie tous les députés de leurs intéressantes contributions. Ils se sont concentrés sur quelques thèmes.
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