I have lost the pen. I bought it yesterday.
I have lost the pen which/that I bought yesterday.
Use the 1st Conditional:
If it (not/rain) _____ tomorrow, I (go) _____ to the beach.
If it DOESN'T RAIN tomorrow, I WILL GO to the beach.
Connect the sentences using an adjective clause:
I like chips. I like crunchy chips.
I like chips which/that are crunchy.
I like (swim) _____.
I like TO SWIM/SWIMMING.
Passive -> Active:
The cake was eaten by the cat.
The cake ate the cat.
This is the boy. He is going to dance the tango.
This the is the boy who/that is going to dance the tango.
Use the 1st Conditional:
I (say) _____, "Hi" if I (see) _____ him.
I WILL SAY, "Hi" if I SEE him.
I SAY, "Hi" if I SEE him.
Passive -> Active:
The knife was left on the table by Mary.
Mary left the knife on the table.
I dislike (study) _____ on the weekends.
I dislike STUDYING on the weekends.
Active -> Passive:
Holly smashed the vase.
The vase was smashed by Holly.
He told me a joke. I had never heard the joke before.
He told me a joke which/that I had never heard before.
Use the 2nd Conditional:
If I (have) _____ $1 million, I (buy) _____ a private island.
If I HAD $1 million, I WOULD BUY a private island.
Gerund of Infinitive?
I avoid (work) _____ on holidays.
I avoid WORKING on holidays.
I'm learning (speak) _____ French.
I'm learning TO SPEAK French.
Active -> Passive:
The girl was washing the dog.
The dog was being washed by the girl.
This book is a new publication. The book has many pictures.
This book which/that has many pictures is a new publication.
This book which/that is a new publication has many pictures.
Use the 2nd Conditional:
I (be) _____ lonely if I (be) famous.
I WOULD BE lonely if I WERE/WAS famous.
Use the 3rd Conditional:
We (miss) _____ the plane if we (take) _____ a taxi.
We WOULDN'T HAVE MISSED the plane if we HAD TAKEN a taxi.
I decided (bake) _____ a cake for the party.
I decided TO BAKE a cake for the party.
Passive -> Active:
Every night the office is vacuumed and dusted by the cleaning crew.
The cleaning crew vacuums and dusts the office every night.
Email did not become popular until the 1990s. It was first created in 1972.
Email, which/that was created in 1972, did not become popular until the 1990s.
Use the 3rd Conditional:
If she (study) _____ more, she (pass) _____ the exam.
If she HAD STUDIED more, she WOULD HAVE PASSED the exam.
Active -> Passive:
Some people have seen the yeti.
The yeti has been seen by some people.
She stopped (smoke) _____ cigarettes this year.
She stopped SMOKING cigarettes this year.
Active -> Passive:
The homeowners remodeled the house, so they could sell it.
The house was remodeled by the homeowners, so they could sell it.