Yes, for 'would', 'could' and 'might', but not 'had to'. 'Had' is an auxiliary verb when used with ' to -infinitivals, but it's NOT a modal, irrespective of which way it's used. The modals you cite are used in reported speech, but they have other uses as well.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Thinking SpainHello BillJYes, 'would', 'could' and 'might' are indeed modal auxi
Thank you very much for your answer.
But aren't 'would', 'could', and 'might' also auxiliaries in the following sentences in reported speech.
For example:
Tom said he would work very hard.
Tom said he could work very hard.
Tom said he might work very hard.
Thinking SpainIf in direct speech the original uses 'have + infinitive' in reported speech substitude it with 'had + infinitive'