UNIT 1 Overview of the English Verb System:Time and Tense
UNIT 2 Overview of the English Verb System:Aspect
UNIT 3 Adverbial Phrases and Clauses
UNIT 4 Passive Verbs Exercises for the TOEFL Test,Units1-4
UNIT 5 One-Word and Phrasal Modals
UNIT 6 Infinitives
UNIT 7 Gerunds
Exercises for the TOEFL Test,Units5-7
UNIT 8 Statements of Degree:Intensifiers and Degree Complements
UNIT 9 Modifying Noun Phrases:Adjectives and Participles
UNIT 10 Comparatives
Exercises for the TOEFL Test,Units8-10
UNIT 11 Connectors
UNIT 12 Relative Clauses
Exercises for the TOEFL Test,Units11-12
UNIT 13 Using Present Time
UNIT 14 Present Perfect:Describing Past Events in Relation to the Present
UNIT 15 Future Time:Using Present Tenses,Using Will Versus Going To Versus,Adverbial Clauses in Future
Exercises for the TOEFL Test,Units13-15
UNIT 16 Modals of Prediction and Inference
UNIT 17 Hypotheticas Statements
UNIT 18 Sensory Verbs,Causative Verbs,and Verbs That Take Subjunctive
Exercises for the TOEFL Test,Units16-18
UNIT 19 Articles in Discourse
UNIT 20 Demonstratives in Discourse
Exercises for the TOEFL Test,Units19-20
UNIT 21 Possessives
UNIT 22 Quantifiers and Collective Nouns
Exercises for the TOEFL Test,Units21-22
UNIT 23 Past Time Frame:Using Adverbs and Aspect to Indicate Time Relaionships
UNIT 24 Modals in Past Time
UNIT 25 Reported Speech
Exercises for the TOEFL Test,Units23-25
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