15 I have mentioned earlier the four basic forms of "nomu" and "taberu". "nomu / nomimasu / nomanai / nonde" "taberu / tabemasu / tabenai / tabete" You can see that the inflection is different for "nomu" and "taberu". "How come? What about the rule?" you might think. Actually, the inflection types of "nomu" and "taberu" are different. "Nomu" is classified as Type I, and "taberu" as Type II. Vowels change in Type I, but the verb does not change in Type II. (For those familiar with traditional grammatical terms, Type I is "godan verbs", and Type II is "ichidan verbs".) Each Type has rules of inflection. How many types are there? Some of you may say "If there are 10 or 20 types of inflection, I will never study Japanese!" but there is no need to worry. Most of the verbs can be classified into Type I or II. Besides these two types, there is Type III, but this consists of only two words, "suru (do)" and "kuru (come)" ( and their compound words ) so it is easy to distinguish them. Further, these can be regarded as exceptions. All other verbs can be classified into Type I or II. Some languages have dozens of verb inflection types, so in this sense, Japanese is an easy language to learn. Now, the important thing is how to distinguish the inflection types of verbs. You must understand how to distinguish them, or else you cannot inflect the verbs correctly. How can you do this? But again, there is no need to worry. There are rules that you can follow to distinguish inflection types. If the last three letters of the dictionary form are "-eru" or "-iru", then the verb is Type II. Otherewise, the verb is Type I. For example, "okiru (get up, wake up)" and "neru (go to bed, sleep)" are Type II, "hanasu (speak)" and "kiku (listen, hear)" are Type I. Once you know the inflection type, then inflect the verb according to the rules. Inflection types - Type I and Type II - How to distinguish inflection types
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