Нужно объяснить использование модальных глаголов Exercise 1
explain the usage of the modal verbs:
1. The green wire should be connected to terminal 4.
2. You mustn’t turn the machine when the red warning light is on.
3. This lever can be up or down.
4. We can recycle old products to make new ones.
5. The red switch has to be on.
6. A rheostat is a resistor whose resistance value may be varied.
7. That morning he had to leave his car at home.
8. You can’t ride a motorbike with no helmet.

If my sister (not be) afraid, she (go) on a camel ride around the park. *

Next year my sister Anna and I (go) to Almaty Central Park if we (travel). *

If Anna (want) some exercise, we (go) on a bike ride. *

If we (get) to the park, we ___ (not miss) any of its attractions. *

I (try) different fairground rides, if I (not miss) the chance. *

OPEN THE BRACKETS AND WRITE THE VERBS IN THE CORRECT FORM TO COMPLETE THE FIRST CONDITIONAL SENTENCES.

If my sister (is not) afraid, she will (go) on a camel ride around the park.

Next year my sister Anna and I will (go) to Almaty Central Park if we (travel).

If Anna (wants) some exercise, we will (go) on a bike ride.

If we (get) to the park, we will (not miss) any of its attractions.

I will (try) different fairground rides, if I (do not miss) the chance.

1. has dropped - бросил (уже) - Past Perfect, [инфинитив -  to drop]
2. is -  есть, является -          - Present Simple, [инф. -  to be]        
3. offered -  предлагал -         - Past Simple,  [инф. -   to offer]
4. was beating -  бил (в определённое время) -  Past Continuous, [инф. -  to beat]
5. had been trying -  пытался (на протяжении времени, периода) - Past Perfect Continuous,  [инф. -  to try]
6. will be singing -  будет петь (в определённое время, то есть на вечеринке) -  Future Continuous,  [инф. -  to sing]