(a) With inf.: to; (b) conj. until. …

Used purposively: in order to, so as to. …

Shall it not be? …

Following temporal subordinating conjunctions introducing adverbial clauses: (a) after that, subsequent to the time when [see also after conj. 1.(b)]; (b) bi that, by the time that, when [see also bi……

Following subordinating conjunctions introducing adverbial clauses: (a) the) lesse the, for-thi lesse the, lest [see also the adv. 3.]; (b) thanne (ther, tho) the, when; after; also, in the……

(a) With complementary inf. in a verb phrase: to (do sth.); (b) with inf. modifying a verb, an inf. phrase, or a sentence and expressing purpose: in order to (do sth.), for the purpose of (doing……

With selected complementary infinitives in verb phrases: to (do sth., be sth., etc.);—sometimes with intervening element between the verb and the inf. [see also Visser sections 1253-1312, 1328-41]……

(a) With inf. modifying a verb and expressing purpose: in order to (do sth.), for the purpose of (doing sth.) (b) with inf. modifying a ppl. as adj.: to (do sth.); dight unto seilen, ready to sail;……