Intransitive Verbs (cannot be used in the passive, nor with -ebla, -inda, unless made transitive by -ig-):—
Bol, brul, ĉes, daŭr, degel, dolor, dron, eksplod, fal, glit, halt, kresk, krev, kuŝ, lum, odor, pas, pend, sid, son, sonor, ŝpruc, ŝrump, ŝvel, velk.
Do, Did.
237 (j). The English verb "to do" is represented as follows:—
(1). In the sense of to "perform," "make," "commit," "execute," etc., it is represented by fari or agi.
Examples.—Ne faru tion = Don’t do that. Batante la knabon, li faris (or, agis) malprave = He did wrong in beating the boy. La ĉambristino faris tion, kion mi ordonis = The chambermaid did what I ordered.
(2). In interrogation and negation it is represented by the present and past tenses (pars. [58], [63], [64]).
Examples.—Ĉu vi pensas, ke li venos? = Do you think that he will come? Ĉu vi lin vidis hieraŭ? = Did you see him yesterday? Mi ne konas lin = I do not know him.
(3). As an emphatic auxiliary, it may be represented by ja = indeed, in fact, or other similar adverb: e.g., sincere (par. [217]).
Example.—Mi ja esperas, ke li venos = I do hope he will come.