Verbseoul.
하다 verb
용접하다yongjeophadato weld

To say to weld politely in the present tense, use 용접해요 (yohng-chuh-pae-yoh). Below is the full conjugation of 용접하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
용접해
yohng-chuh-pae
용접해요
yohng-chuh-pae-yoh
용접합니다
yohng-chuh-pahm-nee-dah
Past
용접했어
yohng-chuh-pae-ssuh
용접했어요
yohng-chuh-pae-ssuh-yoh
용접했습니다
yohng-chuh-pae-sseum-nee-dah
Future
용접할 거야
yohng-chuh-pahl- -guh-yah
용접할 거예요
yohng-chuh-pahl- -guh-yae-yoh
용접할 겁니다
yohng-chuh-pahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
용접하세요
yohng-chuh-pah-sae-yoh
Suggestion / Let's Polite (요)
용접해요
yohng-chuh-pae-yoh
Question Polite (요)
용접해요?
yohng-chuh-pae-yoh-?
Connective “and” — (고)
용접하고
yohng-chuh-pah-goh
Conditional “if” — (면)
용접하면
yohng-chuh-pah-myuhn
Noun form — (기)
용접함
yohng-chuh-pahm