Non-finite verbs are in many sentence patterns in English.If you use them wrong, your sentences will mean different from what you want it to be. Most Thai students have problems in using them. This exercises were made to help the students, especially students in Mattayom 3. After doing the exercises, you will understand how to use non-finite verbs correctly.  

Before doing the exercises .Read these.

   What is non-finite verbs?
  Types of non-finite verbs
 How to use non-finite verbs.
  A Thai Poem of verbs + v. ing