Answer the questions a. What do we call air when it moves?b. What falls more quickly in air - a piece of wood or apiece of paper? Why?c. Why can airplanes fly?d. What lifts them off the ground?e. Does a stone take the shape of a vessel?f. What do we call the bodies which keep the sameshape when you put them in a vessel?g. Why is air not a solid?h. Is it liquid? Why not?​

Descriptor:

- studies the rule of adverbs of frequency; [1]

- uses the adverbs in the right place in the sentence; [4]

1 You are late (always) – You are always late.

2 She has breakfast in the kitchen. (usually)

3 They go to the cinema on Saturdays. (often)

4 Susan is on time. (never)

5 Helen goes to school by bus. (sometimes)

6 We stay at home on Saturday evening. (rarely)

7 Paul calls me at weekends. (always)​

Task 1. Insert the adverbs of frequency in the sentences.

1 You are always late. (always)

2 She usually has breakfast in the kitchen. (usually)

3 They often go to the cinema on Saturdays. (often)

4 Susan is never on time. (never)

5 Helen sometimes goes to school by bus. (sometimes)

6 We rarely stay at home on Saturday evening. (rarely)

7 Paul always calls me at weekends. (always)​