PASSIVE or Adjective?

Nominative 'the man'

Vocative 'O man!'

Accusative 'the man'

Genitive 'of the man'

Dative 'to the man'

Ablative 'by the man' http://www.orbilat.com/Languages/Latin/Alternative_Grammars/Harris_Grammar/Latin-Harris_04.html

'The Noun System' _

Present Vs Present Continuous

present- habit, every day

present continuous - now

I concentrate when I am in the English Lesson(every time I am in the English Lesson)

I am concentrating now.

He concentrates very hard every time heperforms heart bypass surgery

He is concentrating very hard at the momentbecause/as he is performing a heart bypass._

in Chemistry it might be possible to say

a 'concentrating agent/chemical'

which would be a chemical which helps to create a 'concentrate' a concentrating agent

= a compound nounconcentrating - an adjective

es. a confusing lessona confused student

i.the lesson is confusing (adj)

ii.the lesson is confusing the student (pres cont)

in i. 'is'= verb, main verb.

in ii. is = auxiliary. this lesson is interesting (adj)

the student is interested (adj)

the lesson is interesting the student

subj aux verb+ing objpresent continuous

the student is interested in the lesson

infinitive verb form 'to be interested in' (phrasal verb)

I was bored (adj)I was bored by the film (passive- consequenceof the film). _________