all records for last "monday"

hi in my query im doing the following to pull all records for the previous week



Total Completed: Sum(IIf([Date Completed] Between Date()-(6+Weekday(Date(),2)) And Date()-Weekday(Date(),2),1,0))





what i need now, is one for just Last monday, last tuesday last wednesday last thursday last friday



can anyone get me started with just records for last monday?



thanks in advance

all records for last "monday"