Its hecho.
(he)el hizo.
(you)tú hiciste.
(they)ellos hicieron.
(we)nosotros hacemos.
(they)ellos hicieron.
hacer - to do hice - I did Hicimos - We did hiciste - you did
Formed is the past participle of form.
The past participle is laughed.
The past participle is given.
The past participle is worn.
The past participle is relied.
The present participle form of "talk" is "talking."
Yo hago
It means "what are we going to do". Vamos is the nosotros(we) form of ir meaning to go. Hacer means "to do".
Sent is the past participle of send.
Introduced is the past participle of introduce.
The past participle form of "grew" is "grown."