Topic:
Learn and practice some verbs that have irregularities in the formation of the present participle.
Some forms are irregular
Even with the easy progressive tenses, Spanish makes us work a little bit to master them.
Some verbs have present participles that are irregular. Fortunately, one group of the irregular forms is easy to spot.
The -yendo present participles
When the verb stem ends in a vowel, the present participle ending becomes -yendo instead.
This makes sense because a regularly-formed participle would look awkward in these cases. Consider the verb leer which means to read. The root is "le", which ends in a vowel.
If the participle were formed regularly, it would be leiendo which looks like a tongue twister.
Instead, it becomes leyendo , which looks more manageable.
Progressive Present conjugation of leer, to read
Here is another example:
Progressive Present conjugation of construir, to construct
There are other types of irregularities
In a future unit when we learn about stem-changing verbs, we will find that those verbs are irregular in the progressive tenses in a different way.
But for now we are only interested in the -yendo forms of the progressive tenses.
To help you learn and remember these exceptions, there won't be any regular verbs in the exercises or quiz for this lesson.