be +infinitive
12:08

be +infinitive

Modal with perfect infinitive
14:24

Modal with perfect infinitive

Perfect infinitive
07:11

Perfect infinitive

Infinitive and ing
10:10

Infinitive and ing

Infinitive and ing 1
04:01

Infinitive and ing 1

Perfect infinitive and ing forms
10:43

Perfect infinitive and ing forms

Verb +object +infinitive
10:26

Verb +object +infinitive

Object+infinitive 2
07:24

Object+infinitive 2

Infinitive and ing both possible
08:45

Infinitive and ing both possible