古英语语法
形态学 > 介词

介词经常跟随它们所控制的词，并在这种情况下被称为“后介词”（post-preposition）。同样，如果介词的目标词为与格的话，介词便可位于句中的任何位置。
下表为古英语介词一栏，许多介词（尤其是标注有etc的）都存在着不同拼写方式的同位体。
| Old English | Definition | Notes |
| --- | --- | --- |
| æfter | after; along, through, during; according to, by means of; about. | Ancestor of modern after Related to Dutch achter = behind, after |
| ǣr | before | Related to modern German eher and Dutch (vooral)eer, ancestor of modern ere |
| æt | at, to, before, next, with, in, for, against; unto, as far as. | Ancestor of modern at |
| and | against, before, on. |  |
| andlang | along | Ancestor of modern along |
| beæftan | after, behind; without. | Ancestor of modern (nautical) abaft |
| be, bī | by, near to, to, at, in, on, upon, about, with; of, from, about, touching, concerning; for, because of, after, by, through, according to; beside, out of. | Related to modern German bei, ancestor of modern by |
| befōran | before. | Ancestor of modern before |
| begeondan | beyond. | Ancestor of modern beyond |
| behindan | behind. | Ancestor of modern behind |
| beinnan | in, within. | Related to modern German and Dutch binnen |
| beneoðan | beneath. | Ancestor of modern beneath |
| betweonum, betweox, etc. | betwixt, between, among, amid, in the midst. | Ancestors of modern between and betwixt respectively |
| bīrihte | near. |  |
| būfan | above. | Ancestor of modern above through compound form onbúfan |
| būtan | out of, against; without, except. | Related to modern Dutch buiten |
| eāc | with, in addition to, besides. | Related to modern German auch and Dutch ook, ancestor of modern (archaic) eke |
| for | for, on account of, because of, with, by; according to; instead of. | Ancestor of modern for |
| fōr, fōre | before. | Related to modern German bevor and Dutch voor |
| fram | from; concerning, about, of. | Ancestor of modern from |
| gemang | among | Ancestor of modern among |
| geond | through, throughout, over, as far as, among, in, after, beyond. | Ancestor of modern yonder through comparative form geondra |
| in | in, on; into, to. | Ancestor of modern in |
| innan | in, into, within, from within. |  |
| intō | into | Ancestor of modern into |
| mid | with, against | Ancestor of modern amid through related form onmiddan |
| neāh | near | Ancestor of modern nigh |
| nefne | except |  |
| of | of, from, out of, off. | Ancestor of modern of and off |
| ofer | above, over; upon, on; throughout; beyond, more than | Ancestor of modern over |
| on | on; in, at; | Ancestor of modern on |
| onbūtan | about | Ancestor of modern about |
| ongeagn, etc. | opposite, against; towards; in reply to. | Ancestor of modern again |
| onuppan | upon, on. |  |
| oþ | to, unto, up to, as far as. |  |
| samod | with, at. |  |
| tō | to, at. | Ancestor of modern to |
| tōeācan | in addition to, besides. |  |
| tōforan | before. |  |
| tōgeagnes | towards, against. |  |
| tōmiddes | in the midst of, amidst. |  |
| tōweard | toward. | Ancestor of modern toward |
| þurh | through | Related to modern German durch, ancestor of modern through |
| ufenan | above, besides. |  |
| under | under. | Ancestor of modern under |
| underneoþan | underneath. | Ancestor of modern underneath |
| uppan | upon, on. | Not the ancestor of modern upon, which came from "up on". |
| ūtan | without, outside of | Related to modern German außen, außer and Swedish utan. Ths adverbial form ūt is the ancestor of modern out |
| wið | towards, to; with, against; opposite to; by, near. | Ancestor of modern with |
| wiðæftan | behind. |  |
| wiðer | against. | Related to modern German wider |
| wiðinnan | within. | Ancestor of modern within |
| wiðforan | before. |  |
| wiðoutan | without, outside of. | Ancestor of modern without |
| ymb | about, by. | Related to German um and Latin ambi |
| ymbūtan | about, around; concerning. |  |