"I see him swimming" is just a present participle, isn't it? Latin has those too and they're different. On the other hand, English has "I believe him to be sw

"I see him swimming" is just a present participle, isn't it? Latin has those too and they're different. On the other hand, English has "I believe him to be swimming", and "I told him to swim", although the latter wouldn't be an accusative+infinitive in Latin.