Present Perfect vs Simple Past

Instrucciones del autor

Discuss with your classmates and complete the activities 

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Present Simple vs Present Continuous

Grammar - ESL

English as a second language 
Present simple and present continuous: Choose the correct verb form

gs5 u2 l3

Grammar - ESL

gs5 u2 l3

Have to for necessity

Grammar - ESL

Complete the sentences with the correct form of HAVE TO

First conditional

Grammar - ESL

English as a second language 
Simple explanation and exercise to introduce the first conditional. Sentence 18 IS negative. I'll change it a.s.a.p.