Verbseoul.
하다 verb
감시하다gamsihadato keep watch on

To say to keep watch on politely in the present tense, use 감시해요 (gahm-shee-hae-yoh). Below is the full conjugation of 감시하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
감시해
gahm-shee-hae
감시해요
gahm-shee-hae-yoh
감시합니다
gahm-shee-hahm-nee-dah
Past
감시했어
gahm-shee-hae-ssuh
감시했어요
gahm-shee-hae-ssuh-yoh
감시했습니다
gahm-shee-hae-sseum-nee-dah
Future
감시할 거야
gahm-shee-hahl- -guh-yah
감시할 거예요
gahm-shee-hahl- -guh-yae-yoh
감시할 겁니다
gahm-shee-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
감시하세요
gahm-shee-hah-sae-yoh
Suggestion / Let's Polite (요)
감시해요
gahm-shee-hae-yoh
Question Polite (요)
감시해요?
gahm-shee-hae-yoh-?
Connective “and” — (고)
감시하고
gahm-shee-hah-goh
Conditional “if” — (면)
감시하면
gahm-shee-hah-myuhn
Noun form — (기)
감시함
gahm-shee-hahm