Possession or Ownership

Note: "How many" is used for countable nouns, countable nouns mean things which we can count such as chair, chalk and table, we can say a chair, two chairs, a few chairs etc, some examples:

(1) How many chairs have I? Or How many chairs do I have?
(2) How many students has Mohammad Ali? Or How many students does Mohammad Ali have?
(3) How many vans has Sevara? Or How many vans does Sevara have?
(4) How many tables have you? Or How many tables do you have?
(5) How many farmhouses have they? Or How many farmhouses do they have?

Ownership using How many:

(1) How many teachers do I have?
(2) How many schools do I have?
(3) How many phones do I have?
(4) How many gardens do we have?
(5) How many parks do we have?
(6) How many workers do we have?
(7) How many lunch boxes do you have?
(8) How many lunch bags do you have?
(9) How many sandwiches do you have?
(10) How many dogs do they have?
(11) How many cafeterias do they have?
(12) How many tests do they have?
(13) How many shopping malls do Mohammad and Ali have?
(14) How many erasers do Sevara and Angel have?
(15) How many weelchairs do doctors have?
(16) How many cups of tea does he have?
(17) How many glasses of water does he have?
(18) How many guests does he have?
(19) How many kitchens does she have?
(20) How many washing machines does she have?
(21) How many television does she have?
(22) How many jobs does Ali have?
(23) How many accounts do customers have?
(24) How many pencils does a kid have?
(25) How many hospitals does government have?
(26) How many clinics do Alicia and Sarah have?
(27) How many groups do Mohammad and Ali have?
(28) How many pages does a book have?
(29) How many oranges does a tree have?
(30) How many books do Sevara and Angel have?
(31) How many cars does a trader have?
(32) How many factories does a trader have?
(33) How many roses do girls have?