(1) iambic verse (2) iambic verse (3) iambic verse (4) There are more than a dozen iambic verses in English poetry, of which four are common and the first is the most common. In addition, there are iambic poems (pirhic [/peirik] and spondee[/sp :ndi] ndi].
It should be noted that these types of steps are only theoretical analysis. In fact, a poem has only one type of steps, which is rare. Most of them are based on one type, interspersed with other types. If a poem contains only one type of steps, it will be monotonous and mechanical. As long as a poem is based on a certain type, although other types are interspersed in the middle, it is also called a certain situation. For example, iambic is dominant.