10 Scientific Games in English

1. The Blood Typing Game
2. The DNA -the Double Helix Game
3. The ImmuneSystem Game
4. TheControl of the Cell Cycle Game
5. ThePavlov's Dog Game
6. TheElectrocardiogram Game
7. TheTransistor
8. TheDiabetic Dog Game
9. The SplitBrain Experiments Game
10. The Lordof the Flies Game

Source: nobelprize.org

130 English Grammar Exercises

Irregular Verbs:

• Irregular Past Simple, Part 1
• Irregular Past Simple, Part 2
• Irregular Past Participle, Part 1
• Irregular Past Participle, Part 2

Present Simple Form (with the verb 'be'):

• Present Simple Positive with 'be'
• Present Simple Negative with 'be'
• Present Simple Yes / No Questions with 'be'
• Present Simple 'Wh' Questions with 'be'
• Present Simple Mixed Exercise 1 with 'be'
• Present Simple Mixed Exercise 2 with 'be'

Present Simple Form (with all verbs except 'be'):

• Present Simple Positive 1
• Present Simple Positive 2
• Present Simple Negative 1
• Present Simple Negative 2
• Present Simple Yes / No Questions
• Present Simple 'Wh' Questions
• Present Simple Mixed Forms 1
• Present Simple Mixed Forms 2
• Present Simple Mixed Forms 3

• Present Simple Mixed Forms Be and Other Verbs
• Present Simple Spelling Changes

Present Continuous Form:

• Present Continuous Positive and Negative 1
• Present Continuous Positive and Negative 2
• Present Continuous 'Wh' and 'Yes / No' Questions 1
• Present Continuous 'Wh' and 'Yes / No' Questions 2
• Present Continuous Mixed Exercise 1
• Present Continuous Mixed Exercise 2
• Present Continuous Mixed Exercise 3

Present Simple or Present Continuous?

• Choose the Present Simple or Present Continuous Exercise 1
• Choose the Present Simple or Present Continuous Exercise 2
• Choose the Present Simple or Present Continuous Exercise 3

Present Perfect Simple Form:

• Present Perfect Positive
• Present Perfect Negative
• Present Perfect Questions
• Present Perfect All Forms Mixed Exercise 1
• Present Perfect All Forms Mixed Exercise 2

Past Simple or Present Perfect?

• Choose the Past Simple or Present Perfect Exercise 1
• Choose the Past Simple or Present Perfect Exercise 2
• Choose the Past Simple or Present Perfect Exercise 3
• Choose the Past Simple or Present Perfect Exercise 4

Present Perfect Continuous Form:

• Present Perfect Continuous Positive and Negative
• Present Perfect Continuous Questions

Present Perfect Simple or Continuous?

• Choose the Present Perfect Simple or Continuous 1
• Choose the Present Perfect Simple or Continuous 2
• Choose the Present Perfect Simple or Continuous 3

Past Simple Form (with the verb 'be'):

• Past Simple Positive and Negative with 'be'
• Past Simple Questions with 'be'
• Past Simple All Forms with 'be' Mixed Exercise

Past Simple Form (with all verbs except 'be'):

• Past Simple Positive Irregular Verbs (exercise 1)
• Past Simple Positive Irregular Verbs (exercise 2)
• Past Simple Negative
• Past Simple 'Yes / No' Questions
• Past Simple 'Wh' Questions
• Past Simple All Forms Mixed Exercise 1
• Past Simple All Forms Mixed Exercise 2
• Past Simple All Forms Mixed Exercise 3
• Past Simple All Forms Mixed Exercise 4

Past Continuous Form:

• Past Continuous Positive and Negative
• Past Continuous Questions
• Past Continuous Mixed Exercise 1
• Past Continuous Mixed Exercise 2

Past Simple or Past Continuous?

• Past Simple or Past Continuous Exercise 1
• Past Simple or Past Continuous Exercise 2

Past Perfect Simple Form:

• Past Perfect Simple Positive and Negative
• Past Perfect Simple Questions

Past Perfect or Past Simple?

• Choose the Past Perfect or the Past Simple

Past Perfect Continuous Form:

• Past Perfect Continuous Positive
• Past Perfect Continuous Negative
• Past Perfect Continuous Questions

Future Simple Form:

• Future Simple Postive
• Future Simple Negative
• Future Simple Questions

Future Simple or Present Simple?

• Future Simple or Present Simple Exercise 1

Future Continuous (or Future Progressive) Form:

• Future Continuous Positive
• Future Continuous Negative
• Future Continuous Questions

Future Perfect Simple Form:

• Future Perfect Positive
• Future Perfect Negative
• Future Perfect Questions
• Mixed Future Perfect Exercise

Conditionals:

• First Conditional Form
• Second Conditional Form
• Third Conditional Form

Reported Speech:

• Mixed Tense Reported Statements
• Present Simple Reported Statements
• Present Continuous Reported Statements
• Past Simple Reported Statements
• Present Perfect Reported Statements
• Future Simple Reported Statements
• Reported Yes/No Questions
• Reported Wh Questions
• Mixed Reported Questions
• Reported Requests and Orders
• Reported Speech Mixed Exercise 1
• Reported Speech Mixed Exercise 2
• 'Say' and 'Tell'

The Passive:

• Passive with the Present Simple
• Passive with the Past Simple
• Passive with the Present Perfect
• Passive with the Future Simple
• Passive with mixed tenses
• Passive with verbs with two objects (PDF)

Relative Clauses:

• Defining Relative Clauses 1
• Defining Relative Clauses 2
• Defining Relative Clauses 3
• Defining Relative Clauses 4

Modal Verbs

• Modal Verbs of Ability 1
• Modal Verbs of Obligation 1
• Modal verbs of probability exercise 1
• Modal verbs of probability exercise 2

Prepositions:

• Time Prepositions 1
• Time Prepositions 2
• Place Prepositions 1
• Place Prepositions 2
• Verbs + Prepositions 1
• Verbs + Prepositions 2
• Adjectives + Prepositions 1

Adjectives:

• Participle Adjectives (ED and ING Adjectives) 1
• Participle Adjectives (ED and ING Adjectives) 2

Gerunds and Infinitives:

• Gerunds and Infinitives Exercise 1
• Gerunds and Infinitives Exercise 2
• Gerunds and Infinitives Exercise 3
• Gerunds and Infinitives Exercise 4

Let and Make:

• Let and Make Exercise 1

Make and Do:

• Make or Do Exercise 1
• Make or Do Exercise 2
• Make or Do Exercise 3
• Make or Do Exercise 4

Used to Do, Would Do, and Be Used to Doing:

• Used To Exercise 1
• Used To Exercise 2 ('used to' or 'would')
• Used To Exercise 3 (be used to verb+ing)

 source: perfect-english-grammar.com

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