The past tense of operate is operated. See all forms of operate with easy examples.
The past tense of ope is oped. See all forms of ope with easy examples.
The past tense of opalize is opalized. See all forms of opalize with easy examples.
The past tense of open is opened. See all forms of open with easy examples.
The past tense of opaque is opaqued. See all forms of opaque with easy examples.
The past tense of opalise is opalised. See all forms of opalise with easy examples.
The past tense of opacify is opacified. See all forms of opacify with easy examples.
The past tense of opalesce is opalesced. See all forms of opalesce with easy examples.
The past tense of ooze is oozed. See all forms of ooze with easy examples.
The past tense of opacate is opacated. See all forms of opacate with easy examples.