curriculum/challenges/english/blocks/learn-how-to-use-modal-verbs/67d3fe5cebe1050d8dc5a4f8.md
Listen to the audio and complete the sentence below.
First, you BLANK BLANK your software tools to the latest versions.
must
This modal verb expresses obligation, meaning the action is required.
update
This means to modify or refresh something to a new or improved version or state. After must, the verb should be in its base form (without to).
Must is a modal verb that indicates something is required. In this case, updating the software is mandatory.
Update follows must in its base form (without to). Modal verbs do not use to before the main verb.
In the audio, Jessica clearly states what Mark must do, making this the correct structure.
{
"setup": {
"background": "company2-center.png",
"characters": [
{
"character": "Jessica",
"position": {
"x": 50,
"y": 15,
"z": 1.2
},
"opacity": 0
}
],
"audio": {
"filename": "B1_14-1.mp3",
"startTime": 1,
"startTimestamp": 9.58,
"finishTimestamp": 12.72
}
},
"commands": [
{
"character": "Jessica",
"opacity": 1,
"startTime": 0
},
{
"character": "Jessica",
"startTime": 1,
"finishTime": 4.14,
"dialogue": {
"text": "First, you must update your software tools to the latest versions.",
"align": "center"
}
},
{
"character": "Jessica",
"opacity": 0,
"startTime": 4.64
}
]
}