This application of leveling occurs in two steps. The first being the when a new form begins to gain use alongside an older version of the word. The second step is when the older form falls out of use and the newer one becomes the primary form of the word. Because of the many dialects in English, there are multiple ways morphological leveling affects the language. In African-American Vernacular English (AAVE) and Appalachian English, they both exhibit the "to be" leveling mentioned above. In AAVE, this kind of leveling can be used to change the semantics of a sentence. When a speaker of this dialect says a phrase like, "I be working when they call," it does not mean the same as "I am working when they call." It means that the speaker is usually working when they receive the phone call. Thus, the leveling of the verb is used to show a recurring event instead of the typical immediate happening of the verb. In more general terms of Appalachian English, speakers will use the past tense form of "to be" instead of using the other conjugations of the verb. Thus, sentences like "We was talking" and "They was making a mess" become common in the language. They also make use of a contracted form of the verb "was". These sentences look like "We's out last night." This contracted form differs from the contracted "is" form because of the decidedly past tense context of the sentence. An example of ablaut leveling would be the reanalysis of English strong verbs as weak verbs, such as "bode" becoming "bided", "swoll" becoming "swelled", and "awoke" becoming "awakened". The original strong forms of these and most other leveled verbs are readily understood by modern English speakers, but are seldom used. Another example is how for all but a few nouns the original English plural suffixes stemming from the Old English weak declension have been replaced by one general plural marker; as late as the 16th century, "shoon" was still in use as the plural form of "shoe", but in contemporary English the only acceptable form is "shoes", using the general plural marker "-s". Historically, English has undergone a few changes in relation to prosodic paradigm leveling. For example, the word "he'd" in Australian English has experienced an internal leveling in terms of vowels. The original word was pronounced /hid/ (in IPA) in the same was as the word "heed" is pronounced in American English.