Open is a verb and verbs only have a singular form for present tense third person singular subjects (he / she / it ) or singular noun subjects.The third person singular form is verb + -s ie opens.He opens the shop everyday.The teacher opens the class room at 8:00am
The third form of the English word "receive" is "received".
The noun 'opens' is the plural form of the singular noun 'open', a word for a contest or tournament that has no restrictions on who may compete.Note: The noun 'open' is an uncountable noun as a word for a wide or unobstructed space or expanse.The verb 'opens' is the third person, singular of the verb to open.
The third form of shine is shone.
Fifth third banks open on sunday in dayton ohio
The third person form of arrive is "arrives."
The third form of shrink(i.e. to minimize something in size or miniature things) is Shrunk
Chao only evolve twice, so there is no third form.
One third is already in it's simplest form.
One third in decimal form is .3333 repeated
One third is a fraction and cannot be expressed in remainder form.
I've looked into this and you can, in fact, open your third eye, but it takes a lot of work and the ability to stick to a routine.