For every 1 second casting time,a 1 second effect. how to?

Really need 2 know this one.
The basic triggers[not jass pls].

example, for every 1 second u cast a spell,it entangles target by 1 second. Max 5 seconds of casting. Canceling it

Also is it possible to make it such that if player presses X while controlling a certain hero, that hero does something[say a spell,etc] but the spell is NOT found as an ability on the hero, means its purely triggered.

And finally if u know how, how to make a spell that when u are channeling a spell, u cast that spell and it does not interrupt your channeling?

Thanks in advance if u solve my problem :)

Put the spell inside a disabled spell book.

Create a spell based off chanel with a 5 second cast time, and create a unit with no model named dummy, and have a spell with entagle that's buff lasts 1 second, and make sure the dummy has the spell with 1-sec entangle, and have a unit global named TangleCaster and have a trigger, and have a global unit named TangleTarget

If you cant find Target of Ability cast try finding something like target of spell or such! Hope i could help!