Tengo subrayados dos versos y una estrofa con una rima muy sencilla.

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Breakdown of Tengo subrayados dos versos y una estrofa con una rima muy sencilla.

• tener: to have
• una: a
• muy: very

Questions & Answers about Tengo subrayados dos versos y una estrofa con una rima muy sencilla.

Why is it subrayados and not subrayadas?

Because subrayados agrees with the whole thing being talked about: dos versos y una estrofa.

• dos versos is masculine plural
• una estrofa is feminine singular

When Spanish joins nouns of different genders, the normal agreement is masculine plural. So subrayados is the expected form if both the verses and the stanza are underlined/highlighted.

If it were only referring to a feminine plural noun, you would get subrayadas instead.

What kind of structure is tengo subrayados?

This is a very common Spanish pattern:

tener + direct object + past participle/adjective

Here, subrayados works like an adjective describing the object, not like part of a perfect tense.

So:

• Tengo subrayados dos versos... = I have two lines ... underlined / highlighted
• It focuses on the current result or state

Compare it with:

• He subrayado dos versos... = I have underlined two lines...
• This focuses more on the action itself

In this structure, the participle agrees with the object:

• Tengo subrayado un verso
• Tengo subrayada una estrofa
• Tengo subrayados dos versos
• Tengo subrayadas dos estrofas