Put the verbs in brackets into the Present Continuous, Present Perfect or Present Perfect Continuous Tense. 1) ... it ... (to snow) outdoors now? — Yes, it ... . It ... (to snow) since yesterday evening.
2) This sportsman ... (to be) exhausted. He ... (to run) for more than an hour now. Look! He ... (to run) more slowly!

1) Is it snowing outdoors now? — Yes, it is. It has been snowing since yesterday evening.

2) This sportsman has been exhausted. He has been running for more than an hour now. Look! He is running more slowly!

Объяснение:

Present Continuous - действие происходит в момент речи is/are/am +Ving

Present Perfect - результат к настоящему моменту Has/have+V3

Present Perfect Continuous - Действие началось в и длится до сих пор has/have been +Ving