1. Copy one handout for each pair of students, and cut the sheets in two.

2. Put the students into pairs, and distribute a half handout to each individual student.

3. Refer them to the four prefixes and the verbs given in the central grey columns. Explain that students are to describe changes that have occurred in their work place using such words. Show your learners the two side columns which can provide them with hints on what changes to describe.

4. Monitor the students, providing language input or error correction when necessary.

5. Finally, elicit responses from some of the students and draw to their attention any appropriate vocabulary or serious language mistakes.

1. Copy one handout for each pair of students, and cut the sheets in two.

2. Put the students into pairs, and distribute a half handout to each individual student.

3. In this handout, learners have to identify three correct words that take four 'change' prefixes 'de', 're', 'up' and 'down'. There are four possibilities for each row, three being correct, one being false.

4. Allow students around ten minutes to identify the three correct words combined with the prefixes.

5. Finally, elicit responses from the students and draw to their attention the meanings of unfamiliar words and clarify.