Unit 3 Page 25 Lesson B2

page 25:

2: grammar

verb + ing and too + verb

position of not:

verb + ing as a subject

eating in public is bad manners.

not shaking hands is impolite.

verb + ing after prepositions:

you can offend people by eating in public.

people might stare at you for not shaking hands.

to + verb after it’s:

it’s bad manners to eat in public.

it’s impolite not to shake hands.

position of not:

not, comes before the word it negates.

be careful not to point at people.

you can offend people by not bowing.

notice the difference in meaning.

it’s acceptable not to tip cab drivers.

it’s not acceptable to tip cab drivers.