The present participle is a word formed from a verb. The English translation of the present participle ends in -ing. It can be used as a verb or as an adjective.
Remember that ‘bulletproof’ is also an adjective, not a noun ... does not take d/ed when it changes to the past tense and the participle forms. The present tense is swim; past is swam ...
The present tense in French is used to express both ‘I (do)’ and ‘I am (doing)’ in English. It can also be used with time adverbs to express the future. Present tense irregular verbs in ...