A few weeks have passed since then.
The correct spelling is calendar (list or diagram by days, weeks, months, or years).The similar word is colander, a type of kitchen strainer.
"for several weeks" is the adverb phrase modifying the verb "heard."
It's
Sometimes questions go weeks without being answered. Not all questions are created equal... Be sure that you asked your question as effectively as possible. Questions with no spelling mistakes, correct grammar, and a clear point tend to get answered quicker. Also, questions in niche topics tend to take longer to be answered since they require someone with the right kind of experience to answer them.
The correct form is two weeks' vacation (a vacation of two weeks).
CALENDARS - arrangements of days, weeks, and months (also, schedules) (note : COLANDER - a kitchen straining implement used as a sieve, also spelled cullender)
52 weeks in a year, 69 years 3588 weeks
1227 weeks.
47 weeks since April 27 2009 until March 22 2010.
A little over 17 weeks since the 28th October 2009.
A little more than 1025 weeks since July 28th 1990.
i am 5 weeks and 2 days pregnant i have been spotting since Saturday