Er hat mir geraten, meine Aktien zu verkaufen. I told them to take along their cameras. The verb must go to the end of the infinitive clause with the zu between the prefix and the verb stem. He taught me to paint. This verb usually functions like a modal auxiliary, i.e. the second verb is not preceded by zu .
Exceptions occur when the sentence is fairly long and complicated.
It s beginning to snow. Es f ngt an zu schneien. Es beginnt zu schneien. I have a lot to do today. My parents want me to work this summer.