recordFormWithRecordTypes.html

<template>
    <lightning-card title="Account form with Record Type">
        <template if:true={objectInfo.data}>
            <lightning-record-form object-api-name={objectApiName}
                                    record-type-id={recordTypeId}
                                    fields={fields}>
            </lightning-record-form>
        </template>
    </lightning-card>
</template>