03:29
Language Use
3831 Views
00:49
Key Words: Present Perfect
2886 Views
30:17
STRUCTURE
2290 Views
01:48
READING AND VOCABULARY
2146 Views
03:10
Language Use
1884 Views
03:30
Language Use
1746 Views
14:19
03:40
LANGUAGE USE & WRITING
1720 Views
10:19
Clauses of Result
1700 Views
05:34
Compound Nouns: Noun + Noun
1688 Views
05:33
THE PRESENT PERFECT & THE SIMPLE PAST
1631 Views
01:48
Two- Word Verbs
1507 Views
00:47
WRITING
1477 Views
03:20
Since vs For
1455 Views
09:35
Parallel Structure
1436 Views
04:16
It is + adjective + to + verb
1424 Views
01:25
Describing Job Conditions
1382 Views
03:29
What is the Passive Voice?
1345 Views
07:56
Modals of Necessity
1343 Views
03:27
Polite Requests
1341 Views
03:53
The Past Participle as Adjectives
1325 Views
06:30
May as a Modal of Permission and Request
1320 Views
01:59
The Tense of the Passive Voice
1319 Views
07:20
The Form of the Passive Voice
1312 Views
03:40
Preopsition & Prefixes
1309 Views
03:45
The Form of the Active Voice
1305 Views
09:02
The Embedded Question
1303 Views
03:08
Meaning and Form
1297 Views
15:24
STRUCTURE: Objective Questions
1294 Views
07:40
The Infinitive Clauses of Purpose.
1283 Views