Что означают треугольник и квадрат в схеме предложения языка

Квадрат - подлежащее, треугольник - сказуемое или наоборот, но вроде бы так.

Квадрат это сущетвителний например pig , ann, . а триуголник это связка is. а черный квадрат глагол например swim, sing ,sit ,fly.

1.your english is improving. it`s getting (good) and (good).2.who is the (famous) person   in the world? 3.the meal cost (little) than i expected.  4.are you the (old) in your family?   5.there are (few) public holidays in great britain than in other european countries.6.he was as (white) as a sheet.  7.this cartoon is (funny) than that one.8.who is the (good) student in the class? 9.it was an awful day. it was the (bad) day of my life.10.jane is two years (old) than jack.11.she is not so (nervous) as her brother.12.it is the (busy) time of the year.13.i`d like to have a (big) car than my old one.14.that`s tha (far) i`ve ever run.15.the exam was quite difficult - (difficult) than we expected.16.the (great) national holiday in our country is victory day.17.hard beds are (healthy) than soft ones.18.she is the (slim) girl in our group.  19.which month is the (short) in a year?   20.what is the (late) news? я тебе написал образец

Ровно 15 предложений: i'm in the first year at the university, where i'm studying english. my elder sister, betty, is studying history at the same university. betty can organise her time wisely, whereas i do not know what order i should do things in.  my sister, an early riser, is awake by 7 o'clock, refreshed and full of energy. while i'm wandering round the kitchen, fighting the urge to go back to bed.\at lunchtime i meet up with my sister and we have a snack at the university cafe. after classes i make myself go to the library where i spend about six hours a week reading for my seminars. my sister and i come home tired. i always find excuses to put my homework off.    we try to relax on the weekends. one of my greatest pleasures is to lie in bed and read my favourite books. every monday when i awaken i think i should start a new life. i honestly think that i must become well-organised and correct my daily routine.but then i put off my plans till next monday. it is always better to start a new life in a week.