You are given a block of text which explains the theory of this concept.
Once you have read the theory, do the exercises given below to test how well you have understood the ideas.
How to do the Exercises:
You are given a set of words.
You are also given some sentences with input boxes, and you are required to use the words to complete the sentences correctly.
You can put your chosen word into the input box by first clicking on the word and then in the input box.
The word will appear in the input box.
If it is correct, it will go green, and if not, it will go red.
PET - TO SWIM, SWIMMING
TO SWIM refers only to the action of swimming, but SWIMMING can refer to the action and the concept.
I like TO SWIM in the morning.( I physically get in the water and swim.)
I like SWIMMING in the morning. (I physically get in the water and swim.)
I like watching SWIMMING on television. ( I don't get in the water, because what I enjoy is the sport of SWIMMING, a noun, not the verb TO SWIM.)
Some verbs only accept the form TO SWIM.
I want TO SWIM.
I want SWIMMING is incorrect.
Some verbs only accept the form SWIMMING.
I enjoy SWIMMING.
I enjoy TO SWIM is incorrect.
Some verbs accept both forms.
I like TO SWIM.
I like SWIMMING.
These constructions are common in transformation exercises.