function start() {
  document.pastnegative.q1.focus();
}

function validate() {
 
  if (document.pastnegative.q1.value !="didn't swim") {
      alert("try again for 1");
      document.pastnegative.q1.focus();
      document.pastnegative.q1.select();
      return false;
}
  if (document.pastnegative.q2.value !="didn't go") {
      alert("try again for 2");
      document.pastnegative.q2.focus();
      document.pastnegative.q2.select();
      return false;
    }
 
  if (document.pastnegative.q3.value !="didn't buy"){
      alert("try again for 3");
       document.pastnegative.q3.focus();
       documentpastnegative.q3.select();
       return false; 
}
  if (document.pastnegative.q4.value !="didn't learn"){
      alert("try again for 4");
      document.pastnegative.q4.focus();
      document.pastnegative.q4.select();
      return false;
  }
  if (document.pastnegative.q5.value !="didn't get up"){
      alert("try again for 5");
      document.pastnegative.q5.focus();
      document.pastnegative.q5.select();
      return false;
  }
  if (document.pastnegative.q6.value !="didn't do"){
      alert("try again for 6");
      document.pastnegative.q6.focus();
      document.pastnegative.q6.select();
      return false;
  }
  if (document.pastnegative.q7.value !="didn't sleep"){
      alert("try again for 7");
      document.pastnegative.q7.focus();
      document.pastnegative.q7.select();
      return false;
  }
  if (document.pastnegative.q8.value !="didn't eat"){
      alert("try again for 8");
      document.pastnegative.q8.focus();
      document.pastnegative.q8.select();
      return false;
  }
  if (document.pastnegative.q9.value !="didn't see"){
      alert("try again for 9");
      document.pastnegative.q9.focus();
      document.pastnegative.q9.select();
      return false;
  }
  if (document.pastnegative.q10.value !="didn't live"){
      alert("try again for 10");
      document.pastnegative.q10.focus();
      document.pastnegative.q10.select();
      return false;
  }
     
   alert("Good work. All your answers are correct.");
   return true;
}

function answers() {
    NewWin=window.open('answers_past_tense_neg.html','NewWin',
   'toolbar=no,status=no,width=200,height=360');
}