τὲ . . . τέ usually serves to connect clauses, less frequently single words. In English and often suffices, but as . . . so is often in place. τὲ . . . τέ is more common in poetry than in prose, but in prose more common than τέ standing alone. Thus, πατὴρ ἀνδρῶν τε θεῶν τε
ἐμοί τε γὰρ πολέμιοι Ἀσσύριοι, σοί τε νῦν ἐχθί_ονές εἰσιν ἢ ἐμοί
περὶ ὧν εἰδέναι τε κάλλιστον μὴ εἰδέναι τε αἴσχιστον
a. One clause may be negative, the other affirmative (
Herbert Weir Smyth [n.d.], A Greek Grammar for Colleges; Machine readable text [info] [word count] [Smyth].