Type B tip Intermediate

Well…it depends. Let’s check some examples starting a sentence

Examples

Infinitive starting a sentence

Learning English at Modern English Classes is fun  √
To learn English at Modern English Classes is fun χ
Working with Juan Carlos has been a great experience √
To work with Juan Carlos has been a great experience χ
Studying English is important √
To study English is important χ
Having a baby is a great responsibility √
To have a baby is a great responsibility χ

We can conclude

If we are using the infinitive at the beginning of a sentence it will most likely be with
ing √