Checkbox

$options = array(
    1 => 'Option 1',
    2 => 'Option 2',
    3 => 'Option 3',
    4 => 'Option 4'
);

$selected = array(
    1 => 'Option 1',
    2 => 'Option 2'
);

echo $this->Form->input('field', array(
    'type' => 'select',
    'multiple' => 'checkbox',
    'options' => $options,
    'selected' => $selected
));

Combobox

$options = array(
    1 => 'Option 1',
    2 => 'Option 2',
    3 => 'Option 3',
    4 => 'Option 4'
);

$default = 3;

echo $this->Form->input('field', array(
    'type' => 'select',
    'options' => $options,
    'default' => $default
));

RadioButton

$options = array(
    1 => 'Option 1',
    2 => 'Option 2',
    3 => 'Option 3',
    4 => 'Option 4'
);

$default = 3;

echo $this->Form->input('field', array(
    'type' => 'select',
    'options' => $options,
    'default' => $default
));

Text

echo $this->Form->input('field', array(
    'type' => 'text',
    'value' => 'text value for input'
));

Textarea

echo $this->Form->input('field', array(
    'type' => 'textarea',
    'value' => 'text value for input'
));