Water Instructor: Tahani
Al-Hammami
Key Words: Figures
• Large numbers: one million
(1,000,000); three billion
(3,000,000,000); three
hundred thousand (300,000);
six hundred and fifty-three
(653).
• Decimals: 1.7 (one point
seven); 6.2 (six point two).
• Fractions: a half (⅟2), a third
(⅓), a quarter (⅟4), a fifth (⅕), a
tenth (⅟10), two thirds (⅔).
• Estimates: about a million,
nearly 70%, over a third,
between 30 and 40.
• Comparison: twice, three
times as many / as much
Grammar: Speculating
• Modal auxiliary verbs that express degrees of certainty.
Two Types of Speculating
1. Speculating about the present:Modal verb + be
e.g. It couldn’t be more difficult.
2. Speculating about the past:Modal verb + have + 3rd form of the verb
e.g. They may have done other work.