SENTENCE: It is difficult to equally trisect a circle. hope this helps :D
must - is called a modal auxiliary verb, must always goes before a main verb in this sentence the main verb is tripped. have - is an auxiliary verb in this sentence. Both of these can be called helping verbs
That is an obtuse angle.
the tricycle is a three wheeled bike
The word "sinecure" is a noun. An example of a sentence using the word would be: Though his position was little more than a sinecure, he still felt proud.
definition: to revolve and turn like a wheel. sentence: The barrel circumrotated down the hill.
the berries are really really tasteful
a good answer would be He had a really rough week
The skier is a profesional or really good at it.
I was really embarrassed by my big blunder.
The American buffalo is really a bison
The preview of the movie was really good.
I'm not really sure but I think it is wood.
The was upset, sad and did not feel really good.
They were really pleased that there was a good turn-out at the meeting.
My work was really reflecting on how I think.
I hope we can really get a good look at the mastodon skeleton