The verb for replacement is replace.
Replaces, replacing and replaced are also verbs.
Some example sentences are:
"I need to replace the fan in my laptop but I cannot afford it".
"He replaces the glass in the frame".
"I am intent on replacing this laptop".
"He was replaced by someone younger".
The noun forms for the verb to replace are replacement and the gerund, replacing.
You are a replacement for mr.farthead
There is no verb form of technician
Sabotage is also a verb. For example "to sabotage something" is an action and therefore a verb.
The verb of invention is invent. As in "to invent something".
Sharp is a noun, not a verb, and a replacement might be, "Keen"
The noun forms of the verb to replace are replacement and the gerund, replacing.
The noun forms for the verb to replace are replacement and the gerund, replacing.
The word 'replace' is a verb: replace, replaces, replacing, replaced.The noun forms for the verb to replace are replacement and the gerund, replacing.
The abstract noun forms of the verb to replace are replacement and the gerund, replacing.
The word 'replaces' is not a noun. The word 'replaces' is the third person, singular, present of the verb to replace. The noun forms of the verb to replace are replacement and the gerund, replacing. A noun is used as the subject of a sentence or a clause, and as the object of a verb or a preposition. Examples: I've ordered a replacement for the old air conditioner. (direct object) Replacing you will be difficult. (subject)
The word substitute can be a verb and a noun. The verb form means to use something in place of something else. The noun form is a replacement for something which does a similar thing.
Because the verb "can" does not have an infinitive (there is no such thing as "to can"), the verb uses a periphrastic or phrasal replacement instead, "to be able (to)." Thus, in the future since you cannot say "will can," instead we say "will be able (to)."
The noun forms for the verb to replace are replacementand the gerund, replacing.
Past - there is nothing like that to use grammatically, but the natural replacement is 'Was'. Future - will be.
The noun 'is' is a verb, a form of the verb 'to be'. The verb 'is' functions as an auxiliary verb and a linking verb.
It is a Linking Verb. The word are is a conjugation of the verb "to be."