Modern English Has Lost Many of Its Inflections

In modern english we can often express the same idea, or at least a very similar idea, with either an inflection or without. The inflexive version can usually be traced back to old english, and the non-inflexive version is typically a later development. So if we want to express past tense, we can say, the horse jumped the fence. That uses an inflexion. And words like jump, jumping, jumped, are also inflections, because each is a modified version of that original word jump. Of course, in modern english, there is no inflection for future tents. But other europe languages do have an ending, call it an inflection,