- Technical English - Grammar
- Infinitive & Past Participle (regular & irregular forms)
- Age 15+
-
level: Pre- intermediate
- English
Author's Instructions
Technical English: Present Perfect (1st. Part)- Infinitive & Past Participle
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- Technical English - Grammar
- Infinitive & Past Participle (regular & irregular forms)
- Age 15+
- level: Pre- intermediate
- English
Author's Instructions
Technical English: Present Perfect (1st. Part)- Infinitive & Past Participle