Barron's IELTS - Unit 10.2 - Technology-Inventions

English as a second language 
Simple past tense

• Main content: Past simple
• Other contents: Regular and Irregular Verbs

This exercise combines the technical vocabulary from Troubleshooting article with the grammatical structures of the four types of conditional sentences.

Instructions: Complete the sentences using the correct form of the verb in parentheses and the appropriate vocabulary word from the list given.

English as a second language 
Worksheet on present perfect simple
 

• Main content: Present perfect
• Other contents: present perfect simple, form, positive, negative

English as a second language 
Present simple vs continuous grammar exercises

• Main content: Present simple and present continuous