El profesor observa a los estudiantes con atención.

The teacher observes the students attentively.

Breakdown of El profesor observa a los estudiantes con atención.

• con: with
• a: to
• el estudiante: the student
• el profesor: the teacher

Questions & Answers about El profesor observa a los estudiantes con atención.

Why is there an a before los estudiantes?

In Spanish, when a verb acts on a person (or personified being), you must mark the direct object with the personal a. English doesn’t have this, so it can feel unusual, but a shows that los estudiantes is a human object.

What role does con atención play in the sentence?

Con atención is an adverbial phrase meaning with attention or attentively. It modifies the verb observa, explaining how the teacher is observing.

What’s the difference between ver, mirar, and observar?

• Ver = to see (passive perception; you notice things without effort)
• Mirar = to look at (active gaze; you direct your eyes at something)
• Observar = to observe (studying or examining carefully; more focus than mirar)

Why is the verb observa in the simple present instead of the present continuous (está observando)?

Spanish often uses the simple present to talk about actions happening right now. El profesor observa can mean the teacher observes or the teacher is observing without adding estar. The continuous form está observando is also correct, but not required.