Understanding To-Infinitives

Front

In the sentence "I practice to improve," what is the to-infinitive?

Back

to improve

Front

Why do we use to-infinitives?

Back

To show purpose or reason

Front

Which sentence has a to-infinitive? Options: I am running fast., She loves cookies., They went to play., We saw a movie.

Back

They went to play.

Front

In "She reads to learn," what is the purpose?

Back

learn

Front

Which is NOT a to-infinitive? Options: to swim, to eating, to jump, to write

Back

to eating