UNIT 4

VOCABULARY
1- GEOGRAPHICAL FEATURES: exercise 1
2- ADJECTIVES DESCRIBING NATURE: exercise 1
GRAMMAR
PAST SIMPLE

AFFIRMATIVE: There are two types of verbs:
a) regular : verb + ed
b) irregular verbs: pages 115-116
NEGATIVE: DIDN'T + VERB
INTERROGATIVE: DID + SUBJECT + VERB
REMEMBER: In negative and interrogative sentences the verb doesn't change, it doesn't matter if it is regular or irregular, it stays in the base form.
AFFIRMATIVE
Exercise 1, exercise 2, exercise 3
NEGATIVE
Exercise 1, exercise 2, exercise 3
INTERROGATIVE
Exercise 1, exercise 2, exercise 3
MIXED EXERCISE
Exercise 1, exercise 2, exercise 3
THERE WAS//THERE WERE

Exercise 1, exercise 2, exercise 3