The present and past particle of the butterfly is butterflies.
butterfly is a noun and doesn't have a present and past participle
Used is the past participle; using is the present participle.
For a regular verb let's use "answer". Present: answer, Past: answered, Past Participle: answered. For an irregular verb let's use "run". Present: run, Past: ran, PP: run.
You use the past tense of a verb (e.g. sang) when the subject is being talked about in the past (the simple past tense). You use the past participle (e.g. have/has sung) when the subject is being talked about in the present (the present perfect tense). "Sung" is the past participle and "have/has" is an auxiliary verb that implies that the subject is referring to a past action in relation to the current present state.
You use the past tense of a verb (e.g. sang) when the subject is being talked about in the past (the simple past tense). You use the past participle (e.g. have/has sung) when the subject is being talked about in the present (the present perfect tense). "Sung" is the past participle and "have/has" is an auxiliary verb that implies that the subject is referring to a past action in relation to the current present state.
I/you/we/they suppose. He/she/it supposes. The present participle is supposing.
All progressive tenses (past, present, and future) and all perfect progressive tenses (past, present, and future) use a present participle.
When using "have" or "has" in combination with the past participle, you are creating present perfect tense. "Have" is used with plural pronouns (I, you, we, they), and "has" with singular pronouns (he, she, it). This construction indicates actions that started in the past and continue into the present or are relevant to the present.
Present Perfect: have (has - for the 3rd pers sing) + the verb's 3rd form (the [Past] Participle). Past Perfect: had + the verb's 3rd form (the [Past] Participle). Future Perfect: will (shall) + have + the verb's 3rd form (the [Past] Participle). Past (or Perfect) Conditional: would +have + the verb's 3rd form (the [Past] Participle). Past Subjunctive (Analytical): should + have + the verb's 3rd form (the [Past] Participle). Perfect Infinitive: to have + the verb's 3rd form (the [Past] Participle). Perfect Gerund (also called Present Participle): having + the verb's 3rd form (the [Past] Participle).
Was/were is used with a present participle (-ing form of a verb) to create the past progressive.I was talkingWe were talkingYou were talkingHe/she was talkingThey were talking
The present perfect is created with have/has + a past participle. Take the verb drive, for example. The past participle is driven.I have drivenWe have drivenYou have drivenHe/she has drivenThey have driven
use have and has subject + have/has + past participle + object. I have eaten the cake.
Using "have" with the past participle of a verb forms the present perfect tense. This tense is used to indicate an action that was completed at some point in the past and has a connection to the present.