<!DOCTYPE html>
<html>
<body>

<h1>Show Checkboxes</h1>

<form action="/action_page.php">
  <input type="checkbox" id="monday" name="day[]" value="monday">
  <label for="vehicle1"> monday</label><br>
  <input type="checkbox" id="tuesday" name="day[]" value="tuesday">
  <label for="vehicle2"> tuesday</label><br>
  <input type="checkbox" id="wednesday" name="day[]" value="wednesday">
  <label for="vehicle3"> wednesday</label><br><br>
  <input type="checkbox" id="thrusday" name="day[]" value="thrusday">
  <label for="vehicle3"> thrusday</label><br><br>
  <input type="checkbox" id="friday" name="day[]" value="friday">
  <label for="vehicle3"> friday</label><br><br>
  <input type="checkbox" id="saturday" name="day[]" value="saturday">
  <label for="vehicle3"> saturday</label><br><br>
  <input type="checkbox" id="sunday" name="day[]" value="sunday">
  <label for="vehicle3"> sunday</label><br><br>

  <input type="submit" value="Submit">
</form>

</body>
</html>