1. annual   anual   semestralmente   primavera   semestral   Hint Half-n-half Clue   2. week   primavera   quinzena   verão   semana   Half-n-half Clue   3. biannual   semestral   semestralmente   monções   trimestre   Half-n-half Clue   4. spring   trimestral   primavera   trimestre   outono   Half-n-half Clue   5. monthly   mensal   quinzena   semanal   primavera   Half-n-half Clue   6. quarter   mensal   semanal   outono   trimestre   Half-n-half Clue   7. weekly   semanal   trimestral   semana   mensal   Half-n-half Clue