This is a regular verb. It follows the conjugation pattern of the verb comer.
Present:
A Ana recolhe as roupas do varal antes de chover.
A Ana recolhe a roupa do estendal antes de chover.
Ana collects the clothes from the line before it rains.
Preterite:
O Miguel recolheu todos os documentos para a reunião.
Miguel gathered all the documents for the meeting.
Conditional:
A Clara recolheria os materiais depois da aula.
Clara would collect the materials after the class.