The infinitive is to burn. Since infinitives often act as other parts of speech (nouns, adverbs, adjectives) they do not have tenses.
The present infinitive of burn is "to burn" (burned; burnt).
"est" is a verb form, not a pronoun. In particular it is the third-person present form of the infinitive "être," to be.
Present perfect is formed with - have/has +past participle.The past participle of burn can be burnt or burned. So present perfect would be:have burned, has burnedorhave burnt, has burnt
infinitive of tired
This probably refers to the absence or presence of the infinitive marker "to." In the sentence "I must go" the infinitive ( "go") lacks the marker, while in the sentence "I want to go" the infinitive has it.
The present infinitive of burn is "to burn" (burned; burnt).
Burnt
Relying is a present participle. The infinitive is "to rely".
In Latin, the present infinitive is the verb form translated "To ----". So amare is "to love"esse is "to be". Cogitare is "to think".
driven
The present infinitive of "speak" is "to speak."
The present infinitive of "stand" is "to stand."
SPOKEN
The infinitive is formed from the present stem, often but not always with the infinitive marker to. In the sentences We like to run and We cannot run, the verb run is in the infinitive.
The present infinitive of "sweep" is "to sweep."
Driving?
A present infinitive is the base form of a verb (to + verb) that signifies an action in the present time or as a general fact, without specific reference to past or future. It is commonly used in English grammar to describe actions that are ongoing or habitual.