| Base Form | Past Simple | Past Participle | Gerund |
|---|---|---|---|
| obey [əˈbeɪ] [əˈbeɪ] | obeyed [əˈbeɪ] [əˈbeɪ] | obeyed [əˈbeɪ] [əˈbeɪ] | obeying [əˈbeɪɪŋ] [əˈbeɪɪŋ] |
| object [ˈɒbdʒekt] [ˈɒbdʒɪkt] | objected [əbˈdʒektəd] [əbˈdʒektɪd] | objected [əbˈdʒektəd] [əbˈdʒektɪd] | objecting [əbˈdʒektɪŋ] [əbˈdʒektɪŋ] |
| oblige [əˈblaɪdʒ] [əˈblaɪdʒ] | obliged [əˈblaɪdʒd] [əˈblaɪdʒd] | obliged [əˈblaɪdʒd] [əˈblaɪdʒd] | obliging [əˈblaɪdʒɪŋ] [əˈblaɪdʒɪŋ] |
| obscure [əbˈskjʊr] [əbˈskjʊə] | obscured [əbˈskjʊrd] [əbˈskjʊəd] | obscured [əbˈskjʊrd] [əbˈskjʊəd] | obscuring [əbˈskjʊrɪŋ] [əbˈskjʊərɪŋ] |
| observe [əbˈzɜːrv] [əbˈzɜːv] | observed [əbˈzɜːvd] [əbˈzɜːvd] | observed [əbˈzɜːvd] [əbˈzɜːvd] | observing [əbˈzɜːvɪŋ] [əbˈzɜːvɪŋ] |
| obstruct [əbˈstrʌkt] [əbˈstrʌkt] | obstructed [əbˈstrəktəd] [əbˈstrʌktɪd] | obstructed [əbˈstrəktəd] [əbˈstrʌktɪd] | obstructing [əbˈstrəktɪŋ] [əbˈstrʌktɪŋ] |
| obtain [əbˈteɪn] [əbˈteɪn] | obtained [əbˈteɪnd] [əbˈteɪnd] | obtained [əbˈteɪnd] [əbˈteɪnd] | obtaining [əbˈteɪnɪŋ] [əbˈteɪnɪŋ] |
| obviate [ˈɑːbvɪeɪt] [ˈɒbvɪeɪt] | obviated [ˈɒbvɪeɪtɪd] [ˈɒbvɪeɪtɪd] | obviated [ˈɒbvɪeɪtɪd] [ˈɒbvɪeɪtɪd] | obviating [ˈɑːbvɪˌetɪŋ] [ˈɒbvɪeɪtɪŋ] |
| occupy [ˈɑːkjʊpaɪ] [ˈɒkjʊpaɪ] | occupied [ˈɑːkjʊpaɪd] [ˈɒkjʊpaɪd] | occupied [ˈɑːkjʊpaɪd] [ˈɒkjʊpaɪd] | occupying [ˈɑːkjəˌpaɪɪŋ] [ˈɒkjʊpaɪɪŋ] |
| occur [əˈkɜːr] [əˈkɜː] | occurred [əˈkɜːd] [əˈkɜːd] | occurred [əˈkɜːd] [əˈkɜːd] | occurring [əˈkɜːrɪŋ] [əˈkɜːrɪŋ] |
| off [ɔːf] [ɒf] | offed | offed | offing [ˈɔːfɪŋ] [ˈɒfɪŋ] |
| offend [əˈfend] [əˈfend] | offended [əˈfendɪd] [əˈfendɪd] | offended [əˈfendɪd] [əˈfendɪd] | offending [əˈfendɪŋ] [əˈfendɪŋ] |
| offer [ˈɔːfər] [ˈɒfə] | offered [ˈɒfərd] [ˈɒfəd] | offered [ˈɒfərd] [ˈɒfəd] | offering [ˈɔːfərɪŋ] [ˈɒf(ə)rɪŋ] |
| offload [ˌɔːfˈləʊd] [ˈɒfləʊd] | offloaded | offloaded | offloading |
| offset [ˈɔːfset] [ˈɒfset] | offsetted | offsetted | offsetting [ɒfˈsetɪŋ] [ɒfˈsetɪŋ] |
| omit [əˈmɪt] [əˈmɪt] | omited | omited | omiting |
| open [ˈəʊpən] [ˈəʊpən] | opened [ˈəʊpənd] [ˈəʊpənd] | opened [ˈəʊpənd] [ˈəʊpənd] | opening [ˈəʊpnɪŋ] [ˈəʊp(ə)nɪŋ] |
| operate [ˈɑːpəreɪt] [ˈɒpəreɪt] | operated [ˈɑːpəˌretəd] [ˈɒpəreɪtɪd] | operated [ˈɑːpəˌretəd] [ˈɒpəreɪtɪd] | operating [ˈɑːpəˌretɪŋ] [ˈɒpəreɪtɪŋ] |
| oppose [əˈpəʊz] [əˈpəʊz] | opposed [əˈpəʊzd] [əˈpəʊzd] | opposed [əˈpəʊzd] [əˈpəʊzd] | opposing [əˈpəʊzɪŋ] [əˈpəʊzɪŋ] |
| opt [ɑːpt] [ɒpt] | opted [ˈɑːptəd] [ˈɒptɪd] | opted [ˈɑːptəd] [ˈɒptɪd] | opting [ˈɑːptɪŋ] [ˈɒptɪŋ] |
| optimize [ˈɑːptɪmaɪz] [ˈɒptɪmaɪz] | optimized [ˈɒptəˌmaɪzd] [ˈɒptəˌmaɪzd] | optimized [ˈɒptəˌmaɪzd] [ˈɒptəˌmaɪzd] | optimizing |
| order [ˈɔːrdər] [ˈɔːdə] | ordered [ˈɔːrdərd] [ˈɔːdəd] | ordered [ˈɔːrdərd] [ˈɔːdəd] | ordering [ˈɔːrdərɪŋ] [ˈɔːdərɪŋ] |
| organise | organised | organised | organising |
| organize [ˈɔːrɡənaɪz] [ˈɔːɡ(ə)naɪz] | organized [ˈɔːrɡənaɪzd] [ˈɔːɡənaɪzd] | organized [ˈɔːrɡənaɪzd] [ˈɔːɡənaɪzd] | organizing [ˈɔːrɡəˌnaɪzɪŋ] [ˈɔːɡənaɪzɪŋ] |
| originate [əˈrɪdʒɪneɪt] [əˈrɪdʒɪneɪt] | originated [əˈrɪdʒəneɪtəd] [əˈrɪdʒəneɪtɪd] | originated [əˈrɪdʒəneɪtəd] [əˈrɪdʒəneɪtɪd] | originating [əˈrɪdʒəneɪtɪŋ] [əˈrɪdʒəneɪtɪŋ] |
| out [aʊt] [aʊt] | outed [ˈaʊtəd] [ˈaʊtɪd] | outed [ˈaʊtəd] [ˈaʊtɪd] | outing [ˈaʊtɪŋ] [ˈaʊtɪŋ] |
| outlaw [ˈaʊtlɔː] [ˈaʊtlɔː] | outlawed [ˈaʊˌtlɒd] [ˈaʊtlɔːd] | outlawed [ˈaʊˌtlɒd] [ˈaʊtlɔːd] | outlawing [ˈaʊˌtlɒɪŋ] [ˈaʊtlɔːɪŋ] |
| outline [ˈaʊtlaɪn] [ˈaʊtlaɪn] | outlined [ˈaʊˌtlaɪnd] [ˈaʊtlaɪnd] | outlined [ˈaʊˌtlaɪnd] [ˈaʊtlaɪnd] | outlining [ˈaʊˌtlaɪnɪŋ] [ˈaʊtlaɪnɪŋ] |
| outperform [ˌaʊtpərˈfɔːrm] [aʊtpəˈfɔːm] | outperformed [ˈaʊtpərˌfɔːrmd] [ˌaʊtpəˈfɔːmd] | outperformed [ˈaʊtpərˌfɔːrmd] [ˌaʊtpəˈfɔːmd] | outperforming [ˈaʊtpərˌfɔːrmɪŋ] [ˌaʊtpəˈfɔːmɪŋ] |
| output [ˈaʊtpʊt] [ˈaʊtpʊt] | outputed | outputed | outputing |
| outreach [ˈaʊtriːtʃ] [ˈaʊtriːtʃ] | outreached | outreached | outreaching |
| outrun [ˌaʊtˈrʌn] [ˌaʊtˈrʌn] | outran [ˌaʊtˈræn] [æʊtˈræn] | outrun [ˌaʊtˈrʌn] [ˌaʊtˈrʌn] | outrunning [ˌaʊtˈrʌnɪŋ] [ˌaʊtˈrʌnɪŋ] |
| outsource [ˈaʊtsɔːrs] [aʊtˈsɔːs] | outsourced | outsourced | outsourcing |
| outweigh [ˌaʊtˈweɪ] [aʊtˈweɪ] | outweighed [aʊˈtweɪd] [ˌaʊtˈweɪd] | outweighed [aʊˈtweɪd] [ˌaʊtˈweɪd] | outweighing [ˈaʊˌtweɪŋ] [ˌaʊtˈweɪɪŋ] |
| overcome [ˌəʊvərˈkʌm] [əʊvəˈkʌm] | overcame [ˌəʊvərˈkeɪm] [əʊvəˈkeɪm] | overcome [ˌəʊvərˈkʌm] [əʊvəˈkʌm] | overcoming [ˌəʊvəˈkʌmɪŋ] [ˌəʊvəˈkʌmɪŋ] |
| overhaul [ˌəʊvərˈhɔːl] [ˌəʊvəˈhɔːl] | overhauled [ˌəʊvəˈhɔːld] [ˌəʊvəˈhɔːld] | overhauled [ˌəʊvəˈhɔːld] [ˌəʊvəˈhɔːld] | overhauling [ˌəʊvəˈhɔːlɪŋ] [ˌəʊvəˈhɔːlɪŋ] |
| overlap [ˌəʊvərˈlæp] [ˌəʊvəˈlæp] | overlapped [ˌəʊvəˈlæpt] [ˌəʊvəˈlæpt] | overlapped [ˌəʊvəˈlæpt] [ˌəʊvəˈlæpt] | overlapping [ˌəʊvəˈlæpɪŋ] [ˌəʊvəˈlæpɪŋ] |
| overlook [ˌəʊvərˈlʊk] [ˌəʊvəˈlʊk] | overlooked [ˌəʊvəˈlʊkt] [ˌəʊvəˈlʊkt] | overlooked [ˌəʊvəˈlʊkt] [ˌəʊvəˈlʊkt] | overlooking [ˌəʊvəˈlʊkɪŋ] [ˌəʊvəˈlʊkɪŋ] |
| override [ˌəʊvərˈraɪd] [ˌəʊvəˈraɪd] | overrode [ˌəʊvəˈrəʊd] [əʊvəˈrəʊd] | overridden [ˌəʊvəˈrɪdən] [ˌəʊvəˈrɪdən] | overrid |
| oversee [ˌəʊvərˈsiː] [əʊvəˈsiː] | oversaw [ˌəʊvəˈsɔː] [əʊvəˈsɔː] | overseen [ˌəʊvəˈsiːn] [ˌəʊvəˈsiːn] | overseeing [ˌəʊvəˈsiːɪŋ] [ˌəʊvəˈsiːɪŋ] |
| overshadow [ˌəʊvərˈʃædəʊ] [əʊvəˈʃædəʊ] | overshadowed [ˌəʊvəˈʃædəʊd] [ˌəʊvəˈʃædəʊd] | overshadowed [ˌəʊvəˈʃædəʊd] [ˌəʊvəˈʃædəʊd] | overshadowing [ˌəʊvəˈʃædəʊɪŋ] [ˌəʊvəˈʃædəʊɪŋ] |
| overtake [ˌəʊvərˈteɪk] [əʊvəˈteɪk] | overtook [ˌəʊvərˈtʊk] [ˌəʊvəˈtʊk] | overtaken [ˌəʊvəˈteɪkən] [ˌəʊvəˈteɪkən] | overtaking [ˌəʊvəˈteɪkɪŋ] [ˌəʊvəˈteɪkɪŋ] |
| overturn [ˌəʊvərˈtɜːrn] [ˌəʊvəˈtɜːn] | overturned [ˌəʊvəˈtɜːnd] [ˌəʊvəˈtɜːnd] | overturned [ˌəʊvəˈtɜːnd] [ˌəʊvəˈtɜːnd] | overturning [ˌəʊvəˈtɜːnɪŋ] [ˌəʊvəˈtɜːnɪŋ] |
| overwhelm [ˌəʊvərˈwelm] [əʊvəˈwelm] | overwhelmed [ˌəʊvəˈwelmd] [ˌəʊvəˈwelmd] | overwhelmed [ˌəʊvəˈwelmd] [ˌəʊvəˈwelmd] | overwhelming [ˌəʊvərˈwelmɪŋ] [əʊvəˈwelmɪŋ] |
| overwrite [ˌəʊvərˈraɪt] [əʊvəˈraɪt] | overwrote [ˌəʊvəˈraɪt] [ˌəʊvəˈraɪt] | overwritten [ˌəʊvəˈraɪt] [ˌəʊvəˈraɪt] | overwriting [ˌəʊvəˈraɪtɪŋ] [ˌəʊvəˈraɪtɪŋ] |
| owe [əʊ] [əʊ] | owed [əʊd] [əʊd] | owed [əʊd] [əʊd] | owing [ˈəʊɪŋ] [ˈəʊɪŋ] |
| own [əʊn] [əʊn] | owned [ˈəʊnd] [əʊnd] | owned [ˈəʊnd] [əʊnd] | owning [ˈəʊnɪŋ] [ˈəʊnɪŋ] |