Solutions Upper-intermediate Workbook Key Unit 1 -

Use phrases to speculate and compare, such as "judging by," "it's hard to say," "as though," and "looks as if".

The unit revisits narrative tenses with a focus on distinguishing between the and Past Perfect Continuous .

Used for completed actions before another point in the past (e.g., "She had completed her training"). Solutions Upper-Intermediate Workbook Key Unit 1

These sections often cover social topics such as or stories of Survival at Sea .

Focuses on the duration of an activity leading up to a past event (e.g., "They had been waiting for an hour before the bus arrived"). Use phrases to speculate and compare, such as

"A friend in need is a friend indeed" and "Blood is thicker than water". 1B: Grammar – Past and Perfect Tenses

Words often follow a pattern like bad-tempered, open-minded, thick-skinned, well-behaved , and easy-going . These sections often cover social topics such as

Remember that verbs like know, belong, imagine, and understand are usually not used in the continuous form (e.g., "had known," not "had been knowing"). 1C & 1D: Reading and Listening