EXPLANATION 3 (in Spanish)
EXERCISE 1: choose
EXERCISE 2: choose
This blog is aimed at giving help to teachers and students either in class preparation or in revision of certain tricky language points.
EXPLANATIONS:
maryenglishblog: Advanced non-defining Relative Clauses
EXERCISES
EXERCISE 1: multiple-choice exercise
EXERCISE 2 : multiple-choice
EXERCISE 3: 25 multiple-choice questions
GAME-LIKE EXERCISE: complete the sentence
Explanation + exercise (choose the verb after COULD/ COULDN'T)
EXERCISE 1: elmentary (choose) BEFORE, AFTER, UNTIL, AT, ON, IN, THEN
EXERCISE 2: WRITE until when just as before as soon as during while for
EXERCISE 3: WRITE at, next, in, last, during, when, every, ago, on