04:35
Prepositions of Instruments and Means
1620 Views
09:35
Parallel Structure
1808 Views
03:10
Language Use
2236 Views
02:40
Writing Formal Letters
1671 Views
03:08
Meaning and Form
1694 Views
09:03
The Use of the Present Perfect
1641 Views
00:49
Key Words: Present Perfect
3589 Views
04:50
Have or Has
1586 Views
03:20
Since vs For
1763 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
2250 Views
03:45
The Form of the Active Voice
1653 Views
03:29
What is the Passive Voice?
1691 Views
07:20
The Form of the Passive Voice
1663 Views
09:31
Changing from Active into Passive
1435 Views
01:59
The Tense of the Passive Voice
1705 Views
01:52
The Form of Irregular Verbs
1578 Views
01:56
READING COMPREHENSION &VOCABULARY
1572 Views
13:16
REWRITE SENTENCES
1386 Views
03:40
LANGUAGE USE & WRITING
2359 Views
04:11
Can as a Modal of Permission and Request
1842 Views
02:29
The Renaissance
1610 Views
05:34
Compound Nouns: Noun + Noun
2005 Views