I. ADJECTIVE + TO V
Playing with matches is not safe.à It is not ...........................................................................
à It is .................................................................................
Letting children play in the kitchen is dangerous.à It is .................................................................................
à It is not ...........................................................................
Putting a knife into an electrical socket is not safe.à It is not ...........................................................................
à It is .................................................................................
Eating too much fast food is unhealthy.à It is .................................................................................
à It is not ...........................................................................
II. COMPARISON
Your backpack is not the same as my backpack.à My backpack is .............................................................
The toy plane is not as cheap as the toy car.à The toy car is not ............................................................
This computer works better than that computer.à That computer doesn’t ...................................................
The elephant is one of the biggest animals.à Very few animals are as .................................................
III. PAST SIMPLE à PRESENT PERFECT
Lan began to study Japanese two months ago.à Lan has ...........................................................................
He began working in that factory in September.à He has .............................................................................
We began to check the washing machine three hours ago.à We have ..........................................................................
They began teaching math in 2010.à They have .......................................................................
The last time we went to this museum was 5 years ago.à We haven’t .....................................................................
The last time we saw her was on Christmas Day.à We haven’t ....................................................................
The last time she went out with him was two years ago.à She hasn't .......................................................................
Mai last met Tim in May.à Mai hasn’t .......................................................................
IV. OTHER STRUCTURES
You should practice English frequently.à You ought ......................................................................
He always participates in classroom activities.à He always takes ..............................................................
No one helped Lan to wash the dishes. (Use Reflexive pronoun)à Lan .................................................................................
She is a careful driver.