Question

We often use the Present Perfect with time expressions using ‘since’ or ‘for’. 

Which expressions go with since and which go with for? (Indicate with a tick). (The first two have been done for you.)

since	for
		last week
✓		a short time
	✓	a decade
		Deepavali
		the day before yesterday
		centuries
		June
		22nd June
		several weeks
		2009
		6 months
		ages

We use ‘since’ to express ______ in time, whereas ‘for’ is used to express ______ of time.

Answer 1

since	for
		last week
✓	✓	a short time
	✓	a decade
✓		Deepawali
✓		the day before yesterday
	✓	centuries
✓		June
✓		22nd June
	✓	several weeks
✓		2009
	✓	6 months
	✓	ages

We use ‘since’ to express a point in time, whereas ‘for’ is used to express a period of time.