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Forming the simple past tense
Affirmative
- Subject + verb + ed
- I walked.
Negative
- Subject + did not + infinitive without to
- They didn’t come.
Interrogative
- Did + subject + infinitive without to
- Did she arrive?
Interrogative negative
- Did not+ subject + infinitive without to
- Didn’t you play?
Irregular verbs
- Put: Put
- Cut: Cut
- Set: Set
- Cost: Cost
- Hit: Hit
document.onkeydown = function (e) {
e = e || window.event;//Get event
if (e.ctrlKey) {
var c = e.which || e.keyCode;//Get key code
switch (c) {
case 83://Block Ctrl+S
e.preventDefault();
e.stopPropagation();
break;
case 80://Block Ctrl+P
e.preventDefault();
e.stopPropagation();
break;
case 85://Block Ctrl+S
e.preventDefault();
e.stopPropagation();
break;
case 123://Block Ctrl+S
return false;
break;
}
}
};
//disable cut copy past
var message = “”;
function clickIE() { if (document.all) { (message); return false; } }
function clickNS(e) {
if(document.layers || (document.getElementById && !document.all)) {
if (e.which == 2 || e.which == 3) { (message); return false; }
}
}
if (document.layers)
{ document.captureEvents(Event.MOUSEDOWN); document.onmousedown = clickNS; }
else { document.onmouseup = clickNS; document.oncontextmenu = clickIE; }
document.oncontextmenu = new Function(“return false”)
//for disable select option
document.onselectstart = new Function(‘return false’);
function dMDown(e) { return false; }
function dOClick() { return true; }
document.onmousedown = dMDown;
document.onclick = dOClick;
function disableselect(e){
return false
}
function reEnable(){
return true
}
document.onselectstart=new Function (“return false”)
if (window.sidebar){
document.onmousedown=disableselect
document.onclick=reEnable
}
window.addEventListener(‘selectstart’, function(e){ e.preventDefault(); });
function mousehandler(e) {
var myevent = (isNS) ? e : event;
var eventbutton = (isNS) ? myevent.which : myevent.button;
if ((eventbutton == 2) || (eventbutton == 3)) return false;
}
document.oncontextmenu = mischandler;
document.onmousedown = mousehandler;
document.onmouseup = mousehandler;
function disableCtrlKeyCombination(e) {
var forbiddenKeys = new Array(“a”, “s”, “c”, “x”,”u”);
var key;
var isCtrl;
if (window.event) {
key = window.event.keyCode;
//IE
if (window.event.ctrlKey)
isCtrl = true;
else
isCtrl = false;
}
else {
key = e.which;
//firefox
if (e.ctrlKey)
isCtrl = true;
else
isCtrl = false;
}
if (isCtrl) {
for (i = 0; i < forbiddenKeys.length; i++) {
//case-insensitive comparation
if (forbiddenKeys[i].toLowerCase() == String.fromCharCode(key).toLowerCase()) {
return false;
}
}
}
return true;
}
