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There are many words that in English are conjugated in the past tense to end in "-n": grow goes to grown, sew goes to sewn, throw goes to thrown, etc.. I'm guessing it was probably the regular ending in English in some long past time. But as every growing child knows, the more common form has become conjugating the past tense to end in "-ed": jog goes to jogged, flog goes to flogged, clog goes to clogged, and so on. Even completely foreign words are usually regularized in English to have their past tense end in "-ed"; abet goes to abetted, blink goes to blinked.

I was wondering two things: Did all the words that are conjugated to end in "-n" in the past tense come from a shared language family, or was it a "regularization" procedure as well back when it was more common? Did something precipitate the change from "-n" to "-ed", like a conquest, or some other notable historical event?

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4  
A correction: the forms that you mention in -n are not the past tense forms, but the past participle. I've added this tag to your question. It's a good question, BTW, but I don't have time to answer at the moment :(. –  JSBձոգչ Apr 15 '11 at 12:09
    
Ah, the good olden days... –  badp Apr 15 '11 at 21:20

4 Answers 4

up vote 12 down vote accepted

This is a simple question, which actually requires a quite complex answer (which I've made as simple as I can).
This is because there are several phenomena at work here.

  1. English is of West Germanic ascendency as you well know and beyond this descends from Proto-Indo-European.

  2. Old Germanic has 2 classes of verbs strong verbs and weak verbs, which are differentiated by the way they form their past tenses.
    Don't ask me why they are named like this (that weak/strong name come from a German guy called Jacob Grimm.
    Being German he called the phenomenon of changing stem vowels in inflections "ablaut". This phenomenon is common in Indo-European languages and not restricted to verbs (man=> men; Man => Männer; homō => homin-ēs).
    Here are a few examples for German verbs (using modern forms for the sake of clarity).

    • The weak verbs are the ones that keep their stem unchanged and add a dental ( a 'd' or a 't') at the end.
      For instance:
      => lieben (to love) => Ich liebte (I loved) => geliebt (loved).
      Old Germanic and Old English had 4 classes of weak verbs, depending on morphological rules.

    • The strong verbs don't do that at all. Instead they change the last vowel in their root.
      For instance:
      => singen (to sing) => Ich sang (I sang) => "gesungen" (sung)
      Old English and Old Germanic had 7 classes of strong verbs depending on the rules used to build the past tenses.
      But look how similar the German and English vowels actually are.
      This is in fact a general rule: if you know your German strong verbs, learning the English irregular verbs is much easier (or the other way round if you're learning German).
      So these are the verbs are more likely to end with an "-n" in English.

  3. The origin of the weak dental suffix is the Old Germanic suffix "ōdaz".
    In Old English it gradually transformed in "-ode" (or "-ade" or "ede" depending on the dialects").
    In Old Germanic, this "oda" can be considered as an ancestor to "did" so that to say "I loved", you would actually say "I love did".

  4. After the migration to Britain, German and English followed separate evolution paths. and the "odaz" was transformed in the German "-te" on the eastern side of the English channel and "-ed" on the western side (for the preterite).

  5. Another phenomenon has to be taken into account. Irregular verbs tend to disappear. The less commonly used the quicker their "regularisation". This is because of "incomplete grammatical education" when old morphological rules are supposed to be passed on to newer generations.

  6. All recent verbs are regulars and there are in English a number of irregular verbs that are currently in that process of becoming regular.
    You can observe that they admit both a regular and an irregular past tense: strived instead of strove is a well known example.

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Well, I don't know the specifics behind this split, but it has often bothered me as well. Given the volume of linguistic traditions that have influenced English over the centuries, I can't say that it's really surprising, though.

I'm totally guessing here, but I would venture that the -ed ending comes from some sort of evolution from the French participial form (an accented "e" for the masculine, an accented "ee" for the feminine), a holdover from the Norman conquest, whereas the -n form--again, as a total guess--comes from the Goths, Germans, or Saxons, whose languages use(d) -n for the infinitive.

I hope that makes sense and doesn't have more serious scholars jeering at me.

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This is completely wrong, sorry. Both the -n and the -d are of Germanic origin, and I don't believe that French has contributed anything to English morphology. –  JSBձոգչ Apr 15 '11 at 13:13
    
Ah, I'm glad to know. Thanks! Though I'll have to defend myself and say that at least I got the German part right...and I am surprised to learn that French hasn't affected English morphology (though, of course, I defer to greater knowledge), given how much it got into our vocabulary and spelling. –  Andrew Apr 15 '11 at 13:33
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I should clarify -- French hasn't contributed to our inflectional morphology, though of course it added quite a bit to our derivational morphology: all those words in -tion and -age! –  JSBձոգչ Apr 15 '11 at 13:50

Here is an exhaustive cataloging of verb forms you may find of use.

As Appleyard says in his intro:

English belongs to the Germanic group of languages descended from Proto-Indo-European. One of the characteristic features of Old Germanic was its utilization of root vowel inflections to indicate changes in verb tense. While modern English makes use of a simpler suffixing system (e.g. call-ed, phone-d, etc.), verbs with irregular vowel inflections still survive for many of the oldest and most basic activities known to man, such as eating, drinking, sleeping, sitting, standing or swimming. This means that even the most elementary of students soon have to get down to the nitty-gritty of committing them to memory and I would very much like to facilitate this process.

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So, the difference you note started in Old English, which had the concept of strong and weak verbs. Strong verbs marked their past and past participles by varying the vowel sound in the base of the word (e.g. swim/swam/swum in Modern English). Weak verbs used a suffix (-d or -t if I recall correctly, feel->felt is a modern example). Through Middle English, new verbs that were added used the weak verb paradigm and this approach became the foundation for what we know as 'regular verbs' now.

One class of the strong verbs maintained the vowel shift only (sing/sung, drink/drunk, ring/rung). A second class of strong verbs uses a -(e)n suffix. This is the class you're referring to: arise/arisen, eat/eaten, throw/thrown

Edit: I'll also note that in the second class, the vowel shift in the past form is often maintained, e.g. throw/threw/thrown, fall/fell/fallen, grow/grew/grown.

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Historically, weak verbs are those which are formed from other parts of speech within the language. If the verb is either the same as a noun or adjective ("walk") or is made from one by suffixing ("thicken"), it is very likely to be weak, and have a p.p. in -(e)d. If there is not such a noun or adjective, it is quite likely to be strong and take -(e)n. This is not an invariable rule, but it often works (though it is confounded by the recent popularity of nouns like "eats" and "sing" which didn't use to exist). –  Colin Fine Apr 15 '11 at 15:13

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