Grammatical terms

Add the following to the grammar section in your notebook :

 

main verb

The verb in a sentence describing the actual action going on.
"I have been running."

hoofdwerkwoord
auxiliary verb

Any verb in a sentence that isn't the main verb
"I have been running."

hulpwerkwoord
modal verb

A verb used to change the mode of a sentence.
"I can play the piano"

modaal werkwoord