The ending -ed has to do with something that has happned in the past.
For example:
I smile.
I smiled.
Verbs that end with -ed suffix and generally past tense..
if by "cation" you mean action, then ate is an action verb that doesn't end in ed. so, no they don't all end in ed
Shown is an irregular verb because shown is different to ending in -ed. Does shown end in -ed? No it doesn't end in -ed so which makes it an irregular verb.
Get Ed ended on 2006-04-24.
ED Láncara ended in 2006.
a 3 ed sentence is when you have 3 adjectives that all end in ed
a 3 ed sentence is when you have 3 adjectives that all end in ed
Ed Sheeran
Ed Smith - tight end - was born on 1969-06-05.
Ed Smith - defensive end - was born on 1950-10-23.
Mister Ed ended on 1966-02-06.
Ed Grimley ended on 1988-12-03.